Getting the most out of your PC backup - Microsoft Support
Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.
How to close your Microsoft account - Microsoft Support
Learn about what effect closing a Microsoft account might have on your other apps and services.
Téléchargez et installez ou réinstallez Microsoft 365 ou Office 2021 ...
Découvrez comment installer, réinstaller ou activer Microsoft 365 ou Office 2019 sur un PC ou Mac.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Manage background activity for apps in Windows
Learn how to manage background activity for apps to help save battery power in Windows.
Meet Windows 11 - Microsoft Support
Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.
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。
在Microsoft Edge浏览器中使用Microsoft 翻译工具 - Microsoft 支持
请执行以下任一操作： 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。 默认值是为Microsoft Edge设置的语言。
Applies To:
Microsoft Edge
Reinstall Windows - Microsoft Support
Learn how to reinstall Windows on your PC and how activation works after it's installed.
Turn on device encryption - Microsoft Support
Learn how to turn on device encryption, or standard BitLocker encryption in Windows.
Holen Sie sich das neueste Windows-Update - Microsoft-Support
Wenn das neueste Windows-Update für Ihr Gerät bereit ist, steht es auf der Seite Windows Update unter Einstellungen zum Download zur Verfügung.