激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。
Device encryption in Windows - Microsoft Support
Device encryption helps protect your data and it's available on a wide range of Windows devices.
Change privacy settings in Windows - Microsoft Support
How to access and change the privacy settings in Windows 10 and 11.
重新安装 Windows - Microsoft 支持
了解如何在电脑上重新安装 Windows，以及安装 Windows 后激活的工作原理。
My OneDrive says it's full - Microsoft Support
Learn how to get more storage or delete excess files if your OneDrive is full or near your storage limit.
Applies To:
OneDrive for Business, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
KB5034441: Windows Recovery Environment update for Windows 10, version ...
KB5034441: Windows Recovery Environment update for Windows 10, version 21H2 and 22H2: January 9, 2024
Troubleshoot Windows Media Player Errors - Microsoft Support
Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.
Windows 11版本 23H2 更新历史记录 - Microsoft 支持
Windows 11 版本 23H2; 2024 年 7 月 9 日 - KB5040442（OS 内部版本 22621.3880 和 22631.3880） 2024 年 6 月 25 日 - KB5039302（OS 内部版本 22621.3810 和 22631.3810）预览
Fix problems signing in to the Xbox app - Microsoft Support
Get troubleshooting steps for when you can't sign in to the Xbox app.
Microsoft Store & billing help
Get Microsoft billing support. Find help with Microsoft Store purchases, subscriptions, refunds, payment options, and checking your order history.