{"id":181353,"date":"2025-09-30T08:27:44","date_gmt":"2025-09-30T12:27:44","guid":{"rendered":"https:\/\/pureinfotech.com\/?p=181353"},"modified":"2026-03-03T06:46:44","modified_gmt":"2026-03-03T11:46:44","slug":"install-windows-11-25h2-without-usb","status":"publish","type":"post","link":"https:\/\/pureinfotech.com\/install-windows-11-25h2-without-usb\/","title":{"rendered":"How to install Windows 11 25H2 without USB using ISO"},"content":{"rendered":"<ul class=\"sum\">\n<li>To install Windows 11 25H2 from an ISO file without a USB, right-click the ISO file and choose <strong>&#8220;Mount,&#8221;<\/strong> open the virtual drive, and double-click <strong>&#8220;Setup.exe&#8221;<\/strong> to start the upgrade or clean install process.<\/li>\n<\/ul>\n<p>You can mount the <a href=\"https:\/\/pureinfotech.com\/tag\/windows-11-25h2\">Windows 11 25H2<\/a> ISO file in File Explorer and run the setup directly to upgrade without creating a USB bootable drive. This method works for devices already running <a href=\"https:\/\/pureinfotech.com\/tag\/windows-11\">Windows 11<\/a> or any supported version of <a href=\"https:\/\/pureinfotech.com\/tag\/windows-10\">Windows 10<\/a>.<\/p>\n<p>While using a USB flash drive is still an option for a <a href=\"https:\/\/pureinfotech.com\/clean-install-windows-11\/\">clean installation<\/a> or in-place upgrade, mounting the ISO is a convenient alternative if you don&#8217;t have a working USB drive or simply prefer not to use one.<\/p>\n<p>You should only use this option to install version 25H2 if your computer has an older release of the operating system, such as version 23H2, 22H2, or Windows 10. If your device is running Windows 11 24H2, you should <a href=\"https:\/\/pureinfotech.com\/upgrade-windows-11-25h2\/\">upgrade using the &#8220;Windows Update&#8221; settings<\/a> since both versions are identical, and you only need to apply an <a href=\"https:\/\/pureinfotech.com\/windows-11-25h2-enablement-package-iso-direct-download\/\">enablement package<\/a>.<\/p>\n<section class=\"custom-related-posts-wrapper\"><span class=\"custom-related-posts-heading\">Related<\/span><div class=\"custom-related-posts-container\"><a href=\"https:\/\/pureinfotech.com\/clean-install-windows-11-25h2\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"How to clean install Windows 11 25H2\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2025\/09\/windows-11-25h2-clean-install-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"How to clean install Windows 11 25H2\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">How to clean install Windows 11 25H2<\/span><\/a><a href=\"https:\/\/pureinfotech.com\/upgrade-windows-11-25h2\/\" class=\"custom-related-post-item\" data-umami-event=\"related_inpost_clicked\" data-umami-event-name=\"How to upgrade to Windows 11 25H2\"><div class=\"custom-related-post-thumbnail\"><img src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2025\/09\/windows-11-25h2-upgrade-hero.webp?fit=300%2C188&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"How to upgrade to Windows 11 25H2\" decoding=\"async\" loading=\"lazy\" \/><\/div><span class=\"custom-related-post-title\">How to upgrade to Windows 11 25H2<\/span><\/a><\/div><\/section>\n<p>In this <a href=\"https:\/\/pureinfotech.com\/tag\/how-to\">guide<\/a>, I will teach you how to perform a Windows 11 25H2 upgrade or clean installation without using a bootable USB drive or the <a href=\"https:\/\/pureinfotech.com\/windows-11-25h2-download-media-creation-tool\/\">Media Creation Tool<\/a>.<\/p>\n<div id=\"tip-box-red\" ><span><strong>Important:<\/strong> This process will delete everything on your device. It&#8217;s recommended that you make a <a href=\"https:\/\/pureinfotech.com\/backup-windows-11-external-usb-drive\/\">full backup of your computer<\/a> before proceeding. <strong>You&#8217;ve been warned.<\/strong> Windows 11 25H2 is available starting in <strong>October 2025<\/strong>.<\/span><\/div>\n<h2 id=\"upgrade_windows10_11_iso\">Install Windows 11 25H2 mounting ISO on File Explorer<\/h2>\n<p>To install Windows 11 25H2 without a USB flash drive, follow these steps:<\/p>\n<ol>\n<li>\n<p><a href=\"https:\/\/pureinfotech.com\/download-windows-11-25h2-iso\/\">Download <strong>Windows 11 25H2 ISO file<\/strong><\/a>.<\/p>\n<\/li>\n<li>\n<p>Open <strong>File Explorer<\/strong>.<\/p>\n<\/li>\n<li>\n<p>Open the folder location where the ISO file is stored.<\/p>\n<\/li>\n<li>\n<p>Right-click the Windows ISO file and select the <strong>Mount\u00a0<\/strong>option.<\/p>\n<div id=\"tip-box\"><span><strong>Quick tip:<\/strong> If the option isn&#8217;t available, select <strong>&#8220;Open With,&#8221;<\/strong> and choose the <strong>&#8220;Windows Explorer&#8221;<\/strong> option.<\/span><\/div>\n<\/li>\n<li>\n<p>Select the mount drive from the left navigation pane.<\/p>\n<\/li>\n<li>\n<p>Double-click the <strong>Setup<\/strong> file to begin the Windows 11 25H2 upgrade process.<\/p>\n<\/li>\n<li>\n<p>Click the <strong>Accept<\/strong> button (if applicable).<\/p>\n<\/li>\n<li>\n<p>(Optional) Click the <strong>&#8220;Change how Windows Setup downloads updates&#8221;<\/strong> option.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-134430\" src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/change-setup-downloads-updates-windows11.jpg?resize=702%2C555&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"Windows 11 setup update options\" width=\"702\" height=\"555\" srcset=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/change-setup-downloads-updates-windows11.jpg?w=702&amp;quality=78&amp;strip=all&amp;ssl=1 702w, https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/change-setup-downloads-updates-windows11.jpg?resize=300%2C237&amp;quality=78&amp;strip=all&amp;ssl=1 300w, https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/change-setup-downloads-updates-windows11.jpg?resize=150%2C119&amp;quality=78&amp;strip=all&amp;ssl=1 150w\" sizes=\"auto, (max-width: 702px) 100vw, 702px\" \/><\/li>\n<li>\n<p>Select the <strong>&#8220;Not right now&#8221;<\/strong> option.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-134431\" src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/disable-updates-windows-11-install.jpg?resize=702%2C555&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"Disable updates during installation\" width=\"702\" height=\"555\" srcset=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/disable-updates-windows-11-install.jpg?w=702&amp;quality=78&amp;strip=all&amp;ssl=1 702w, https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/disable-updates-windows-11-install.jpg?resize=300%2C237&amp;quality=78&amp;strip=all&amp;ssl=1 300w, https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/disable-updates-windows-11-install.jpg?resize=150%2C119&amp;quality=78&amp;strip=all&amp;ssl=1 150w\" sizes=\"auto, (max-width: 702px) 100vw, 702px\" \/><\/li>\n<li>\n<p>Click the <strong>Next <\/strong>button.<\/p>\n<\/li>\n<li>\n<p>Click the <strong>Accept<\/strong> button to agree to the terms.<\/p>\n<\/li>\n<li>\n<p>Click the <strong>Install<\/strong> button.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-134429\" src=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/windows-11-setup-change-keep-settings.jpg?resize=702%2C555&#038;quality=78&#038;strip=all&#038;ssl=1\" alt=\"Media Creation Tool settings\" width=\"702\" height=\"555\" srcset=\"https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/windows-11-setup-change-keep-settings.jpg?w=702&amp;quality=78&amp;strip=all&amp;ssl=1 702w, https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/windows-11-setup-change-keep-settings.jpg?resize=300%2C237&amp;quality=78&amp;strip=all&amp;ssl=1 300w, https:\/\/i0.wp.com\/pureinfotech.com\/wp-content\/uploads\/2021\/08\/windows-11-setup-change-keep-settings.jpg?resize=150%2C119&amp;quality=78&amp;strip=all&amp;ssl=1 150w\" sizes=\"auto, (max-width: 702px) 100vw, 702px\" \/><\/p>\n<div id=\"tip-box\"><span><strong>Quick tip:<\/strong> Alternatively, you can click the <strong>&#8220;Change what to keep&#8221;<\/strong> option, select the <strong>&#8220;Nothing&#8221;<\/strong> option instead, click the <strong>&#8220;Next&#8221;<\/strong> button, and then click the <strong>&#8220;Install&#8221; <\/strong>button to perform a clean installation.<\/span><\/div>\n<\/li>\n<\/ol>\n<p>Once you complete the steps, the new version of the operating system will be installed on your computer. In the case of an in-place upgrade, the wizard will skip the initial setup, as all your settings, apps, and files will be transferred automatically to the new installation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Upgrade to Windows 11 25H2 easily by mounting the ISO file, no USB flash drive required.<\/p>\n","protected":false},"author":2,"featured_media":181357,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"footnotes":""},"categories":[2426,23],"tags":[96,19,2715,2746,2576],"class_list":["post-181353","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-features","category-windows","tag-difficulty-level-intermediate","tag-how-to","tag-windows-11","tag-windows-11-25h2","tag-windows-help"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to install Windows 11 25H2 without USB using ISO - Pureinfotech<\/title>\n<meta name=\"description\" content=\"To install Windows 11 25H2 without USB, open File Explorer, mount the ISO, and launch the setup to upgrade or clean install. 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