Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or 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
View and delete browser history in Microsoft Edge
Learn how to view and delete your browser history and other history in Microsoft Edge.
Switching out of S mode in Windows - Microsoft Support
Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.
Sign in to SharePoint - Microsoft Support
Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.
Applies To:
SharePoint in Microsoft 365
How to sign out of your Microsoft account everywhere
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Applies To:
Microsoft account dashboard
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
在 Windows 中查找 BitLocker 恢复密钥 - Microsoft 支持
了解在 Windows 中查找 BitLocker 恢复密钥的不同方法，并了解如何在系统上激活 BitLocker。
Edit your passwords in Microsoft Edge - Microsoft Support
Keeping your login information secure will sometimes require you to change a password. You can easily edit the passwords saved in Microsoft Edge.
Download Microsoft Authenticator - Microsoft Support
The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.
Phone Link requirements and setup - Microsoft Support
System requirements and setup steps for the Phone Link app