Activate Windows | Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
Contact - Microsoft Support
Support for Office 2021 will end on October 13, 2026. Learn more about your options for Office.
XBOX Status | XBOX Support
Check the XBOX services, games, and apps for any service outages.
How to listen to music on your XBOX 360 console
Learn how to play music from your portable media player, CDs or the hard drive on your XBOX 360 console.
Download and install or reinstall Office 2021, Office 2019, or Office ...
Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2016, Office 2016 for Mac
打开“设备管理器” - Microsoft 支持
Microsoft 开发人员 Microsoft Learn 支持 AI 商城应用 Microsoft 技术社区 Microsoft Marketplace Microsoft Power Platform 软件公司 Visual Studio
Update Bluetooth drivers in Windows | Microsoft Support
Install Bluetooth drivers using Windows Update Select Start > Settings > Windows Update. Select Check for updates. Install any available updates, and then restart your PC. Reinstall the Bluetooth driver If updating the driver doesn’t help, try uninstalling and reinstalling it. Open Device Manager. Expand Bluetooth. Select and hold (or right‑click) your Bluetooth adapter, then select ...
Kontrola, jestli zařízení splňuje požadavky na systém Windows 11 po ...
Pokud byl na zařízení s Windows vyměněn hardware za účelem upgradu na Windows 11 a systém změnu včas nerozpozná, tento článek vysvětluje, jak spustit posouzení ručně.
Set a default printer in Windows | Microsoft Support
Use the Settings app in Windows to either manually set a default printer or allow Windows to manage the default printer.
重置忘记的 Microsoft 帐户密码 | Microsoft Support
另请参阅 如果这些步骤不起作用,或者你遇到其他帐户登录问题,请使用我们的 登录帮助程序工具。 Microsoft 帐户安全信息和验证代码 如何帮助保护 Microsoft 帐户的安全 更改或重置 Windows 密码 访问去世用户的帐户 需要更多帮助吗? 无法登录? 如果无法登录到Microsoft帐户,大多数问题都可以通过 ...
Applies To:
Microsoft account dashboard