{"id":133126,"date":"2026-02-21T09:09:54","date_gmt":"2026-02-21T00:09:54","guid":{"rendered":"https:\/\/softantenna.com\/blog\/?p=133126"},"modified":"2026-02-21T09:09:54","modified_gmt":"2026-02-21T00:09:54","slug":"windows-11-insider-preview-build-26300-7877","status":"publish","type":"post","link":"https:\/\/softantenna.com\/blog\/windows-11-insider-preview-build-26300-7877\/","title":{"rendered":"Windows 11 Insider Preview Build 26300.7877(KB5077232)\u304c\u30ea\u30ea\u30fc\u30b9 - Dev\u30c1\u30e3\u30f3\u30cd\u30eb\u5411\u3051\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30e1\u30cb\u30e5\u30fc\u306e\u6539\u5584\u306a\u3069"},"content":{"rendered":"<p><img decoding=\"async\" style=\"display:block; margin-left:auto; margin-right:auto;\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2024\/08\/Win11_Dev.jpg\" alt=\"Win11_Dev\" title=\"Win11_Dev.jpg\" border=\"0\" width=\"1024\" height=\"640\" \/><\/p>\n<p>Microsoft\u306f2\u670820\u65e5(\u73fe\u5730\u6642\u9593)\u3001Windows 11\u306eWindows Insider Program\u306eDev\u30c1\u30e3\u30f3\u30cd\u30eb\u5411\u3051\u306e\u6700\u65b0\u30d3\u30eb\u30c9\u300cWindows 11 Insider Preview Build 26300.7877(KB5077232)\u300d\u3092\u30ea\u30ea\u30fc\u30b9\u3057\u307e\u3057\u305f(<a href=\"https:\/\/blogs.windows.com\/windows-insider\/2026\/02\/20\/announcing-windows-11-insider-preview-build-26300-7877-dev-channel\/\">Windows Blog<\/a>)\u3002<\/p>\n<p class=\"is-style-icon_info\">\u5909\u66f4\u5185\u5bb9\u304c\u307b\u307c\u7b49\u3057\u3044<a href=\"https:\/\/blogs.windows.com\/windows-insider\/2026\/02\/20\/announcing-windows-11-insider-preview-build-26220-7872-beta-channel\/\">Windows 11 Insider Preview Build 26220.7872 (Beta Channel)<\/a>\u3082\u540c\u6642\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Dev\u30c1\u30e3\u30f3\u30cd\u30eb\u3067\u516c\u958b\u3055\u308c\u308b\u30d3\u30eb\u30c9\u306f\u3001\u5c06\u6765\u306e\u6a5f\u80fd\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u8ffd\u52a0\u3055\u308c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u3001\u3055\u307e\u3056\u307e\u306a\u65b0\u6a5f\u80fd\u304c\u5148\u884c\u3057\u3066\u5b9f\u88c5\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7279\u5b9a\u306e\u30ea\u30ea\u30fc\u30b9\u3068\u306f\u76f4\u63a5\u7d50\u3073\u3064\u3051\u3089\u308c\u3066\u304a\u3089\u305a\u3001\u30d3\u30eb\u30c9\u306b\u542b\u307e\u308c\u308b\u65b0\u6a5f\u80fd\u3084\u6539\u5584\u70b9\u306f\u3001\u6e96\u5099\u304c\u6574\u3044\u6b21\u7b2c\u3001\u5c06\u6765\u306eWindows\u30ea\u30ea\u30fc\u30b9\u306b\u53cd\u6620\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>Windows Insider Program\u306e\u66f4\u65b0\u30aa\u30d7\u30b7\u30e7\u30f3\u3067Dev\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u9078\u629e\u3057\u3001Windows 11\u306e\u30d7\u30ec\u30d3\u30e5\u30fc\u7248\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u30e6\u30fc\u30b6\u30fc\u306f\u3001Windows Update\u3092\u5229\u7528\u3057\u3066\u6700\u65b0\u7248\u306b\u66f4\u65b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>Build 26300.7877\u306e\u65b0\u6a5f\u80fd<\/h2>\n<p>Build 26300.7877\u3067\u306f\u3001\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30e1\u30cb\u30e5\u30fc\u306e\u6539\u5584\u304c\u884c\u308f\u308c\u3001<code>.exe \/ .bat \/ .cmd<\/code>\u3092\u53f3\u30af\u30ea\u30c3\u30af\u3057\u305f\u969b\u306e <strong>\u300c\u958b\u304f\u300d\u30a2\u30a4\u30b3\u30f3\u304c\u3001\u65e2\u5b9a\u30a2\u30d7\u30ea\u306e\u30a2\u30a4\u30b3\u30f3\u3068\u4e00\u81f4<\/strong>\u3059\u308b\u3088\u3046\u306b\u5909\u66f4\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u8a2d\u5b9a\u30a2\u30d7\u30ea\u306e\u300c\u30c7\u30d0\u30a4\u30b9\u60c5\u5831\u300d\u30ab\u30fc\u30c9\u5237\u65b0\u3055\u308c\u3001\u4e3b\u8981\u30b9\u30da\u30c3\u30af\u304c\u3088\u308a\u7c21\u6f54\u306b\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u8aad\u307f\u3084\u3059\u3055\u304c\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<blockquote>\n<p><strong>Changes and Improvements gradually being rolled out with toggle on*<\/strong><\/p>\n<p><strong>[Context Menu]<\/strong><\/p>\n<ul>\n<li>When right clicking on a .exe, .bat, or .cmd file, the context menu\u2019s \u201cOpen\u201d verb will now match the icon associated with the file\u2019s default app.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/02\/Context-Menu-2026-02-20.jpg\" alt=\"\" width=\"967\" height=\"604\" class=\"aligncenter size-full wp-image-133128\" \/><\/p>\n<ul>\n<li>\n<strong>Feedback:<span>\u00a0<\/span><\/strong>Share your thoughts in\u00a0<strong>Feedback Hub (WIN + F)<\/strong>\u00a0under File Folders and Online Storage &gt; File Explorer.<\/li>\n<\/ul>\n<p><strong>[Settings]<\/strong><\/p>\n<ul>\n<li>\n<strong>Device Cards<\/strong>:<\/p>\n<ul>\n<li>Previously released to WIP channels June 2025, the \u2018Device info\u2019 Card on the Settings Home page has been refined based on early learnings<span>.<span>\u00a0<\/span><\/span>This update simplifies key device specifications and improves consistency across the end to end flow from the Home Card to the<span>\u00a0<\/span><strong>Settings &gt; System &gt;<\/strong><span>\u00a0<\/span><strong>About<\/strong><span>\u00a0<\/span>page, making information easier to scan and understand. This consumer experience is currently rolling out to Insiders in the United States.<\/li>\n<li>A version of the Device info Card intended for enterprise users on IT managed devices continues to be available.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/softantenna.com\/blog\/wp-content\/uploads\/2026\/02\/Settings-Home-Device-info-Card-Consumer-Only-2-20-2026.jpg\" alt=\"\" width=\"367\" height=\"263\" class=\"aligncenter size-full wp-image-133129\" \/><\/p>\n<ul>\n<li>In<span>\u00a0<\/span><strong>Settings &gt; System &gt;<\/strong><span>\u00a0<\/span><strong>About<\/strong>, based on early customer feedback, key device hardware details are once again prominently displayed at the top of the page, making it easy to understand your device at a glance. The Device information section now brings together additional system details such as graphics and storage information in a single location, with easy copy\/paste support to simplify sharing or support scenarios. Device related frequently asked questions are not currently surfaced as we continue iterating the best way to deliver contextual help across Settings.<\/li>\n<li>\n<strong>Feedback:<span>\u00a0<\/span><\/strong>Share your thoughts in\u00a0<strong>Feedback Hub (WIN + F)<\/strong>\u00a0under the Settings category.<\/li>\n<\/ul>\n<p>\u00a0<strong>[Taskbar &amp; System Tray]<\/strong><\/p>\n<ul>\n<li>We have improved the animations for mousing over app groups on the taskbar.<\/li>\n<li>Improved reliability of showing app icons in the system tray when the taskbar was set to autohide.<\/li>\n<\/ul>\n<p><strong>[File Explorer]<\/strong><\/p>\n<ul>\n<li>Addressed an issue where all File Explorer open windows and tabs might unexpectedly jump to Desktop or Home.<\/li>\n<\/ul>\n<p><strong>[Nearby Sharing]<\/strong><\/p>\n<ul>\n<li>Improved the reliability of sending larger files using<span>\u00a0<\/span><a href=\"https:\/\/support.microsoft.com\/windows\/share-things-with-nearby-devices-in-windows-0efbfe40-e3e2-581b-13f4-1a0e9936c2d9\">nearby sharing<\/a>.<\/li>\n<\/ul>\n<\/blockquote>\n<p><a href=\"https:\/\/blogs.windows.com\/windows-insider\/2026\/02\/20\/announcing-windows-11-insider-preview-build-26300-7877-dev-channel\/\">\u516c\u5f0f\u30d6\u30ed\u30b0<\/a>\u306b\u306f\u7d30\u304b\u306a\u5909\u66f4\u5185\u5bb9\u304c\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3055\u308c\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u524d\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3092\u304a\u3059\u3059\u3081\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft\u306f2\u670820\u65e5(\u73fe\u5730\u6642\u9593)\u3001Windows 11\u306eWindows Insider Program\u306eDev\u30c1\u30e3\u30f3\u30cd\u30eb\u5411\u3051\u306e\u6700\u65b0\u30d3\u30eb\u30c9\u300cWindows 11 Insider Preview Build 263 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":124975,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[3],"tags":[3298,4387,4791],"class_list":["post-133126","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-windows","tag-windows","tag-windows11","tag-wip"],"_links":{"self":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/133126","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/comments?post=133126"}],"version-history":[{"count":0,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/posts\/133126\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media\/124975"}],"wp:attachment":[{"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/media?parent=133126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/categories?post=133126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/softantenna.com\/blog\/wp-json\/wp\/v2\/tags?post=133126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}