{"id":393,"date":"2026-09-26T15:18:48","date_gmt":"2026-09-26T15:18:48","guid":{"rendered":"https:\/\/keymsnio.com\/how-to-activate-a-windows-product-key\/"},"modified":"2026-09-26T15:19:39","modified_gmt":"2026-09-26T15:19:39","slug":"how-to-activate-a-windows-product-key","status":"publish","type":"post","link":"https:\/\/keymsnio.com\/it\/how-to-activate-a-windows-product-key\/","title":{"rendered":"How to activate a Windows product key"},"content":{"rendered":"<p>Windows product keys have 25 characters in five groups, like XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.<\/p>\n<h2>In Settings<\/h2>\n<ol>\n<li>Press Windows key + I to open Settings.<\/li>\n<li>On Windows 11, go to <strong>System &rarr; Activation<\/strong>. On Windows 10, go to <strong>Update &amp; Security &rarr; Activation<\/strong>.<\/li>\n<li>Select <strong>Change product key<\/strong>, enter your key and follow the prompts.<\/li>\n<\/ol>\n<h2>Tips for entering the key<\/h2>\n<ul>\n<li>Copy and paste it from your order email to avoid mix-ups like 8 and B, or 0 and O.<\/li>\n<li>The dashes are added automatically; you only need the letters and numbers.<\/li>\n<li>The key must match the installed edition. A Home key can&rsquo;t activate Windows Pro. Entering a Pro key on a Home PC starts an upgrade to Pro; see <a href='https:\/\/keymsnio.com\/it\/how-to-upgrade-windows-editions\/'>How to upgrade Windows editions<\/a>.<\/li>\n<\/ul>\n<p>If activation doesn&rsquo;t go through, see <a href='https:\/\/keymsnio.com\/it\/what-to-do-if-activation-fails\/'>What to do if activation fails<\/a>.<\/p>\n<hr>\n<p>Still need help? <a href='\/it\/contact\/'>Contact Keymsnio Support<\/a> or email <a href='mailto:support@keymsnio.com'>support@keymsnio.com<\/a>.<\/p>\n<p><small>Microsoft, Windows and Office are trademarks of the Microsoft group of companies. Keymsnio is an independent reseller and is not affiliated with Microsoft.<\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>Windows product keys have 25 characters in five groups, like XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. In Settings Press Windows key + I to open [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[44],"tags":[],"class_list":["post-393","post","type-post","status-publish","format-standard","hentry","category-installation-activation"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"Windows product keys have 25 characters in five groups, like XXXXX-XXXXX-XXXXX-XXXXX-XXXXX.In SettingsPress Windows key + I to open Settings.On Windows 11, go to System \u2192 Activation. 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On Windows 10, go to Update &amp; Security \u2192 Activation.Select Change product key, enter your key and follow the prompts.Tips for entering the keyCopy and paste it from your","twitter:image":"https:\/\/keymsnio.com\/wp-content\/uploads\/2026\/09\/ChatGPT-Image-Sep-15-2026-11_48_52-AM.webp"},"aioseo_meta_data":{"post_id":"393","title":null,"description":null,"keywords":null,"keyphrases":null,"focus_keyword":null,"additional_keywords":null,"truseo_locale":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_custom_url":null,"og_image_custom_fields":null,"og_image_url":null,"og_image_width":null,"og_image_height":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_image_url":null,"twitter_title":null,"twitter_description":null,"schema_type":"default","schema_type_options":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null,"created":"2026-09-26 16:08:46","updated":"2026-09-26 16:08:46"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/keymsnio.com\/it\/\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/keymsnio.com\/it\/category\/help-center\/\" title=\"Help Center\">Help Center<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/keymsnio.com\/it\/category\/help-center\/installation-activation\/\" title=\"Installation &amp; Activation\">Installation &amp; Activation<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">\u00bb<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tHow to activate a Windows product key\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/keymsnio.com\/it\/"},{"label":"Help Center","link":"https:\/\/keymsnio.com\/it\/category\/help-center\/"},{"label":"Installation &amp; Activation","link":"https:\/\/keymsnio.com\/it\/category\/help-center\/installation-activation\/"},{"label":"How to activate a Windows product key","link":"https:\/\/keymsnio.com\/it\/how-to-activate-a-windows-product-key\/"}],"_links":{"self":[{"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/posts\/393","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/comments?post=393"}],"version-history":[{"count":1,"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/posts\/393\/revisions"}],"predecessor-version":[{"id":446,"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/posts\/393\/revisions\/446"}],"wp:attachment":[{"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/media?parent=393"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/categories?post=393"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/keymsnio.com\/it\/wp-json\/wp\/v2\/tags?post=393"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}