﻿{"id":16502,"date":"2026-03-11T08:15:00","date_gmt":"2026-03-11T07:15:00","guid":{"rendered":"https:\/\/www.sigterritoires.fr\/?p=16502"},"modified":"2026-03-14T15:59:14","modified_gmt":"2026-03-14T14:59:14","slug":"qgis-portable-windows","status":"publish","type":"post","link":"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/","title":{"rendered":"QGIS 4.0 portable pour Windows \u2013 T\u00e9l\u00e9charger et utiliser QGIS sans installation"},"content":{"rendered":"\n<p>QGIS est l\u2019un des logiciels SIG (Syst\u00e8me d\u2019Information G\u00e9ographique) open source les plus utilis\u00e9s au monde. Il permet de visualiser, analyser et cartographier des donn\u00e9es g\u00e9ographiques avec une grande richesse d\u2019outils.<\/p>\n\n\n\n<p>De nombreux utilisateurs recherchent <strong>une version portable de QGIS pour Windows<\/strong> afin d\u2019utiliser le logiciel <strong>sans installation et sans droits administrateur<\/strong>.<\/p>\n\n\n\n<p>Dans certains contextes \u2014 universit\u00e9s, administrations, collectivit\u00e9s ou entreprises \u2014 il est parfois impossible d\u2019installer un logiciel sur l\u2019ordinateur. Les utilisateurs n\u2019ont pas toujours les <strong>droits administrateur<\/strong>, ou souhaitent simplement <strong>tester QGIS sans modifier leur syst\u00e8me<\/strong>.<\/p>\n\n\n\n<p>La solution consiste alors \u00e0 utiliser <strong>QGIS en version portable<\/strong>.<\/p>\n\n\n\n<p>Je propose ici <strong>deux versions portables de QGIS 4 pour Windows<\/strong>, pr\u00eates \u00e0 \u00eatre utilis\u00e9es sans installation.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Contenu <\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Quest-ce_quune_version_portable_de_QGIS\" >Qu\u2019est-ce qu\u2019une version portable de QGIS ?<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Pourquoi_utiliser_QGIS_portable\" >Pourquoi utiliser QGIS portable ?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Tester_QGIS_sans_installer_le_logiciel\" >Tester QGIS sans installer le logiciel<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Utiliser_QGIS_sans_droits_administrateur\" >Utiliser QGIS sans droits administrateur<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Ideal_pour_les_formations_et_les_travaux_pratiques\" >Id\u00e9al pour les formations et les travaux pratiques<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Emporter_QGIS_sur_une_cle_USB\" >Emporter QGIS sur une cl\u00e9 USB<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Telecharger_QGIS_portable_pour_Windows\" >T\u00e9l\u00e9charger QGIS portable pour Windows<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#QGIS_portable_%E2%80%93_version_complete\" >QGIS portable \u2013 version compl\u00e8te<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#QGIS_portable_%E2%80%93_version_allegee\" >QGIS portable \u2013 version all\u00e9g\u00e9e<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Comment_utiliser_QGIS_portable\" >Comment utiliser QGIS portable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Limites_dune_version_portable\" >Limites d\u2019une version portable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#FAQ_%E2%80%93_QGIS_portable\" >FAQ \u2013 QGIS portable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><strong><em>T\u00e9l\u00e9charger QGIS portable<\/em><\/strong><\/p>\n\n\n\n<p><strong><em>&#x2714; QGIS 4 portable \u2013 version compl\u00e8te (1.2 GB)<br>&#x2714; QGIS 4 portable \u2013 version all\u00e9g\u00e9e (362 MB)<\/em><\/strong><\/p>\n\n\n\n<p><strong><em>Compatible Windows 10 et Windows 11<br>Aucune installation n\u00e9cessaire<\/em><\/strong><\/p>\n<\/div><\/div>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Quest-ce_quune_version_portable_de_QGIS\"><\/span>Qu\u2019est-ce qu\u2019une version portable de QGIS ?<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p>Un <strong>QGIS portable<\/strong> est une version du logiciel qui fonctionne <strong>sans installation sur l\u2019ordinateur<\/strong>.<\/p>\n\n\n\n<p>Contrairement \u00e0 une installation classique, tout le logiciel est contenu dans un <strong>simple dossier<\/strong>.<\/p>\n\n\n\n<p>Il suffit de :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>t\u00e9l\u00e9charger l\u2019archive<\/li>\n\n\n\n<li>d\u00e9compresser le dossier<\/li>\n\n\n\n<li>lancer QGIS<\/li>\n<\/ol>\n\n\n\n<p>Aucun droit administrateur n\u2019est n\u00e9cessaire et aucun fichier n\u2019est install\u00e9 dans le syst\u00e8me Windows.<\/p>\n\n\n\n<p>Cela permet d\u2019utiliser QGIS :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>depuis une <strong>cl\u00e9 USB<\/strong><\/li>\n\n\n\n<li>depuis un <strong>disque externe<\/strong><\/li>\n\n\n\n<li>depuis un <strong>dossier partag\u00e9<\/strong><\/li>\n\n\n\n<li>ou simplement sur un ordinateur <strong>sans installation du logiciel<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Tous les param\u00e8tres, plugins et profils utilisateur restent <strong>dans le dossier portable<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pourquoi_utiliser_QGIS_portable\"><\/span>Pourquoi utiliser QGIS portable ?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Les versions portables de QGIS sont particuli\u00e8rement utiles dans plusieurs situations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tester_QGIS_sans_installer_le_logiciel\"><\/span>Tester QGIS sans installer le logiciel<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>De nombreux utilisateurs souhaitent <strong>tester QGIS avant de l\u2019installer<\/strong>.<\/p>\n\n\n\n<p>Une version portable permet de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>d\u00e9couvrir l\u2019interface<\/li>\n\n\n\n<li>tester les fonctionnalit\u00e9s<\/li>\n\n\n\n<li>ouvrir des projets QGIS<\/li>\n\n\n\n<li>v\u00e9rifier la compatibilit\u00e9 avec ses donn\u00e9es<\/li>\n<\/ul>\n\n\n\n<p>sans modifier le syst\u00e8me informatique.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Utiliser_QGIS_sans_droits_administrateur\"><\/span>Utiliser QGIS sans droits administrateur<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Dans beaucoup d\u2019organisations (administrations, collectivit\u00e9s, universit\u00e9s), les utilisateurs <strong>n\u2019ont pas l\u2019autorisation d\u2019installer des logiciels<\/strong>.<\/p>\n\n\n\n<p>Un QGIS portable permet alors de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>lancer QGIS directement<\/li>\n\n\n\n<li>travailler sur ses donn\u00e9es<\/li>\n\n\n\n<li>tester des projets SIG<\/li>\n<\/ul>\n\n\n\n<p>sans installation et sans modification du poste informatique.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ideal_pour_les_formations_et_les_travaux_pratiques\"><\/span>Id\u00e9al pour les formations et les travaux pratiques<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Les versions portables sont tr\u00e8s utiles pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les <strong>formations QGIS<\/strong><\/li>\n\n\n\n<li>les <strong>travaux pratiques \u00e9tudiants<\/strong><\/li>\n\n\n\n<li>les <strong>ateliers SIG<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Tous les participants peuvent t\u00e9l\u00e9charger <strong>exactement la m\u00eame version de QGIS<\/strong>, ce qui garantit un environnement identique pour tout le monde.<\/p>\n\n\n\n<p>Il est m\u00eame possible d\u2019inclure dans le dossier portable :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>des <strong>donn\u00e9es d\u2019exercices<\/strong><\/li>\n\n\n\n<li>des <strong>projets QGIS<\/strong><\/li>\n\n\n\n<li>des <strong>styles cartographiques<\/strong><\/li>\n\n\n\n<li>des <strong>plugins n\u00e9cessaires \u00e0 la formation<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Emporter_QGIS_sur_une_cle_USB\"><\/span>Emporter QGIS sur une cl\u00e9 USB<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Avec une version portable, QGIS peut \u00eatre install\u00e9 sur une <strong>cl\u00e9 USB<\/strong>.<\/p>\n\n\n\n<p>Vous pouvez ainsi emporter votre environnement SIG partout :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>en formation<\/li>\n\n\n\n<li>dans une salle informatique<\/li>\n\n\n\n<li>sur diff\u00e9rents ordinateurs<\/li>\n\n\n\n<li>en d\u00e9placement.<\/li>\n<\/ul>\n\n\n\n<p>Il suffit de brancher la cl\u00e9 USB et de lancer QGIS.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Telecharger_QGIS_portable_pour_Windows\"><\/span>T\u00e9l\u00e9charger QGIS portable pour Windows<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Je propose deux variantes de <strong>QGIS portable Windows<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"QGIS_portable_%E2%80%93_version_complete\"><\/span>QGIS portable \u2013 version compl\u00e8te<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Cette version contient l\u2019ensemble des composants principaux de QGIS.<\/p>\n\n\n\n<p>Elle est recommand\u00e9e pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>un usage g\u00e9n\u00e9ral<\/li>\n\n\n\n<li>tester toutes les fonctionnalit\u00e9s du logiciel<\/li>\n\n\n\n<li>les utilisateurs avanc\u00e9s.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><a href=\"https:\/\/www.sigterritoires.fr\/QGis4.0\" title=\"\">T\u00e9l\u00e9charger cette version compl\u00e8te (1.2 GB)<\/a><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"QGIS_portable_%E2%80%93_version_allegee\"><\/span>QGIS portable \u2013 version all\u00e9g\u00e9e<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Cette version a \u00e9t\u00e9 optimis\u00e9e pour r\u00e9duire la taille du t\u00e9l\u00e9chargement.<\/p>\n\n\n\n<p>Certains modules volumineux rarement utilis\u00e9s en formation ont \u00e9t\u00e9 retir\u00e9s.<\/p>\n\n\n\n<p>Elle est particuli\u00e8rement adapt\u00e9e pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>les \u00e9tudiants<\/li>\n\n\n\n<li>les formations SIG<\/li>\n\n\n\n<li>une utilisation sur cl\u00e9 USB<\/li>\n\n\n\n<li>un t\u00e9l\u00e9chargement plus rapide.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><a href=\"https:\/\/www.sigterritoires.fr\/QGis4.0Lite\" title=\"\">T\u00e9l\u00e9charger cette version all\u00e9g\u00e9e (363 MB)<\/a><\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Comment_utiliser_QGIS_portable\"><\/span>Comment utiliser QGIS portable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"404\" data-attachment-id=\"16503\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/qgis-portable-dossier-windows\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?fit=1781%2C1123&amp;ssl=1\" data-orig-size=\"1781,1123\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"qgis-portable-dossier-windows\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?fit=640%2C404&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?resize=640%2C404&#038;ssl=1\" alt=\"Structure du dossier QGIS portable sous Windows\" class=\"wp-image-16503\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?resize=1024%2C646&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?resize=300%2C189&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?resize=768%2C484&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?resize=1536%2C969&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?w=1781&amp;ssl=1 1781w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-dossier-windows.png?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p>Apr\u00e8s t\u00e9l\u00e9chargement :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>d\u00e9compresser l\u2019archive<\/li>\n\n\n\n<li>ouvrir le dossier<\/li>\n\n\n\n<li>lancer :<\/li>\n<\/ol>\n\n\n<div class='stb-container stb-style-black'><div class='stb-caption'><div class='stb-logo'><img class='stb-logo__image' src='data:image\/png;base64,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' alt='img'\/><\/div><div class='stb-caption-content'><\/div><div class='stb-tool'><\/div><\/div><div class='stb-content'><\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">launch_qgis_portable.bat<\/pre>\n\n\n<p><\/div><\/div>\n\n\n\n<p>QGIS d\u00e9marre imm\u00e9diatement.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Lors du lancement, une fen\u00eatre noire peut appara\u00eetre bri\u00e8vement et le d\u00e9marrage peut prendre quelques secondes (ou davantage depuis une cl\u00e9 USB). Ce comportement est normal pour une version portable.<\/p>\n<\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong><em>Si Windows bloque le script <code>.bat<\/code>, cliquez sur Propri\u00e9t\u00e9s \u2192 D\u00e9bloquer avant d\u2019extraire l\u2019archive.<\/em><\/strong><\/p>\n<\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"331\" data-attachment-id=\"16504\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/qgis-portable-interface\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?fit=2560%2C1324&amp;ssl=1\" data-orig-size=\"2560,1324\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"qgis-portable-interface\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?fit=640%2C331&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface.png?resize=640%2C331&#038;ssl=1\" alt=\"Interface de QGIS portable ouverte\" class=\"wp-image-16504\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?resize=1024%2C529&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?resize=300%2C155&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?resize=768%2C397&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?resize=1536%2C794&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?resize=2048%2C1059&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis-portable-interface-scaled.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"302\" data-attachment-id=\"16505\" data-permalink=\"https:\/\/www.sigterritoires.fr\/index.php\/qgis-portable-windows\/version-qgis-4-portable\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?fit=2560%2C1207&amp;ssl=1\" data-orig-size=\"2560,1207\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"version-qgis-4-portable\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?fit=640%2C302&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable.png?resize=640%2C302&#038;ssl=1\" alt=\"A propos de la nouvelle version 4.0.0 portable\" class=\"wp-image-16505\" srcset=\"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?resize=1024%2C483&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?resize=300%2C141&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?resize=768%2C362&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?resize=1536%2C724&amp;ssl=1 1536w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?resize=2048%2C966&amp;ssl=1 2048w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?w=1280&amp;ssl=1 1280w, https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/version-qgis-4-portable-scaled.png?w=1920&amp;ssl=1 1920w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/a><\/figure>\n\n\n\n<p>Les plugins, param\u00e8tres et profils utilisateur sont automatiquement stock\u00e9s <strong>dans le dossier portable<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Limites_dune_version_portable\"><\/span>Limites d\u2019une version portable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>M\u00eame si QGIS portable est tr\u00e8s pratique, il existe quelques diff\u00e9rences avec une installation classique :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>certaines int\u00e9grations syst\u00e8me peuvent \u00eatre absentes<\/li>\n\n\n\n<li>certains modules avanc\u00e9s peuvent manquer dans les versions all\u00e9g\u00e9es<\/li>\n\n\n\n<li>les mises \u00e0 jour doivent \u00eatre faites manuellement.<\/li>\n<\/ul>\n\n\n\n<p>Pour un usage quotidien intensif, une installation standard de QGIS reste g\u00e9n\u00e9ralement recommand\u00e9e.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ_%E2%80%93_QGIS_portable\"><\/span>FAQ \u2013 QGIS portable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>QGIS portable fonctionne-t-il sans installation ?<\/strong><br>Oui. Une version portable de QGIS fonctionne directement depuis un dossier sans installation sur Windows.<\/p>\n\n\n\n<p><strong>Peut-on utiliser QGIS portable sans droits administrateur ?<\/strong><br>Oui. C\u2019est l\u2019un des principaux avantages des versions portables.<\/p>\n\n\n\n<p><strong>QGIS portable fonctionne-t-il sur une cl\u00e9 USB ?<\/strong><br>Oui. Il est possible d\u2019ex\u00e9cuter QGIS directement depuis une cl\u00e9 USB.<\/p>\n\n\n\n<p><strong>Quelle diff\u00e9rence entre QGIS portable et QGIS install\u00e9 ?<\/strong><br>La version portable ne modifie pas le syst\u00e8me et peut \u00eatre utilis\u00e9e sans installation.<\/p>\n\n\n\n<p><strong>Pourquoi QGIS portable est-il aussi volumineux ?<\/strong><\/p>\n\n\n\n<p>QGIS est un logiciel SIG tr\u00e8s complet qui inclut de nombreuses biblioth\u00e8ques g\u00e9ospatiales (<a href=\"https:\/\/www.sigterritoires.fr\/index.php\/cartes-enc-dans-qgis-avec-postgis1\/\">GDAL<\/a>, PROJ, Python, Qt\u2026). Ces d\u00e9pendances expliquent la taille relativement importante d\u2019une version portable.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Les versions <strong>QGIS portable pour Windows<\/strong> constituent une solution simple et efficace pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>tester QGIS sans installation<\/li>\n\n\n\n<li>utiliser QGIS sans droits administrateur<\/li>\n\n\n\n<li>organiser des formations SIG<\/li>\n\n\n\n<li>distribuer un environnement QGIS pr\u00eat \u00e0 l\u2019emploi<\/li>\n\n\n\n<li>travailler depuis une cl\u00e9 USB.<\/li>\n<\/ul>\n\n\n\n<p>Elles facilitent ainsi l\u2019acc\u00e8s au SIG et \u00e0 la cartographie avec QGIS.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>QGIS est l\u2019un des logiciels SIG (Syst\u00e8me d\u2019Information G\u00e9ographique) open source les plus utilis\u00e9s au monde. Il permet de visualiser, analyser et cartographier des donn\u00e9es g\u00e9ographiques avec une grande richesse d\u2019outils. De nombreux utilisateurs recherchent une&hellip;<\/p>\n","protected":false},"author":1,"featured_media":16498,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"give_campaign_id":0,"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"sfsi_plus_gutenberg_text_before_share":"","sfsi_plus_gutenberg_show_text_before_share":"","sfsi_plus_gutenberg_icon_type":"","sfsi_plus_gutenberg_icon_alignemt":"","sfsi_plus_gutenburg_max_per_row":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[62],"tags":[1903,4496,4500,58,4498,4494,1901],"class_list":["post-16502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-qgis-2","tag-cartographie","tag-logiciel-sig","tag-open-source-gis-fr","tag-qgis","tag-qgis-formation","tag-qgis-portable","tag-sig"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.sigterritoires.fr\/wp-content\/uploads\/2026\/03\/qgis4.jpg?fit=2498%2C1247&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p6XU0A-4ia","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/posts\/16502","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/comments?post=16502"}],"version-history":[{"count":0,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/posts\/16502\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/media\/16498"}],"wp:attachment":[{"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/media?parent=16502"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/categories?post=16502"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sigterritoires.fr\/index.php\/wp-json\/wp\/v2\/tags?post=16502"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}