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Support for Windows 10 has ended on October 14, 2025. Learn more about your options for Windows 10.
Find your BitLocker recovery key | Microsoft Support
Summary A BitLocker recovery key is needed when BitLocker can’t automatically unlock an encrypted drive in Windows. This is a 48‑digit number that lets you regain access to your drive.
Microsoft サポート | Microsoft Support
Microsoft サポートは、Microsoft 製品に関するサポートを提供します。 Microsoft Copilot、Microsoft 365、Windows 11、Surface などのハウツー記事、ビデオ、トレーニングを検索します。
在 Windows 中个性化你的颜色 | Microsoft Support
摘要 更改设备上的颜色模式和主题色可以通过提供更个性化且更具视觉吸引力的界面来显著增强用户体验。 无论你喜欢浅色还是深色主题，或者想要向用户界面添加一些颜色，调整这些设置都很简单，只需几个步骤即可完成。 颜色模式 Windows 支持两种主要颜色模式：浅色和深色。 浅色模式提供 ...
2026 年 8 月 27 日 - KB5120998 (OS 内部版本 26200.9278 和 26100.9278) 预览版
此适用于 Windows 11 版本 25H2 和 24H2 (KB5120998) 的累积更新包括生产质量改进。 公告和消息 本部分提供与此版本相关的重要通知，包括公告、更改日志和终止支持通知。 Windows 安全启动证书过期 重要提示： 大多数 Windows 设备使用的安全启动证书从 2026 年 6 月开始过期。 在过去的几个月里，Microsoft 一直 ...
Sign in to Microsoft 365 | Microsoft Support
Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Excel 2024, Word 2024, Outlook 2024, PowerPoint 2024, Access 2024, OneNote 2024, Project Professional 2024, Project Standard 2024, Visio Professional 2024, Visio Standard 2024, Office 2024, Excel 2024 for Mac, Word 2024 for Mac, Outlook 2024 for Mac, PowerPoint 2024 for Mac, OneNote 2024 for Mac, Office 2024 for Mac, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, PowerPoint 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, OneNote for Mac, Microsoft 365 for home, Office 365 Small Business, Microsoft 365 admin, Project Online, Microsoft 365 for Mac, Project for Office 365
在 Windows 中自定义桌面图标 | Microsoft Support
桌面是登录 Windows 时看到的第一个屏幕，保持桌面井然有序有助于提高工作效率和整体可用性。 本文介绍如何通过自定义默认桌面图标、添加用于快速访问的快捷方式、调整图标大小以匹配你的首选项以及根据需要显示或隐藏桌面图标来个性化你的 Windows 桌面，以保持干净、高效的工作区。 自定义 ...
Установка windows Обновления | Microsoft Support
Windows 11 Windows 10. В Windows вы решаете, когда и как получать последние обновления, чтобы обеспечить бесперебойную и безопасную работу устройства. Установка обновлений в Windows Выберите Пуск клиентский компонент Центра ...
Introducing Microsoft Ink Canvas | Microsoft Support
What is Microsoft Ink Canvas? Microsoft Ink Canvas is an AI-powered, pen-first experience designed for the moments before an idea becomes a document, prompt, image, or plan. Built for visual thinkers who use pen and touch as part of how they create, Ink Canvas gives you a flexible place to start - sketching, annotating, generating images, and summarizing your ideas into text directly on the ...