更新到新Microsoft Edge - Microsoft 支持
如果我的设备上没有管理员权限,该怎么办? 若要完全升级到新的 Microsoft Edge,必须使用管理员帐户登录到设备。
Back up your Windows PC - Microsoft Support
Learn how to back up apps, settings, files, photos, and Microsoft Edge favorites and preferences on your Windows PC.
Free up drive space in Windows - Microsoft Support
Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.
Ways to install Windows 11 - Microsoft Support
Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.
Use the System File Checker tool to repair missing or corrupted system ...
Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.
Use the Office offline installer - Microsoft Support
Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.
Applies To: Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Camera doesn't work in Windows - Microsoft Support
Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.
Enable virtualization on Windows 11 PCs - Microsoft Support
Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.
Download and Install or Reinstall Office 365 or Office 2019 on a PC or Mac
We would like to show you a description here but the site won’t allow us.
Get help with Windows activation errors - Microsoft Support
Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.