Windows 登录选项和账户保护 - Microsoft 支持
了解如何访问和管理 Windows 登录选项。 使用密码、Windows Hello或安全密钥解锁设备。
Install Windows 7 Service Pack 1 (SP1) - Microsoft Support
Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Back up your folders with OneDrive - Microsoft Support
Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.
Applies To:
OneDrive for Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
Add an app to run automatically at startup in Windows 10
Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.
Check your device performance and health in Windows Security
Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.
Get help with a digital code or gift card | Xbox Support
Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.
Pin apps and folders to the desktop or taskbar - Microsoft Support
In Windows 11, apps don't automatically get added to your desktop. Learn how to pin apps to your desktop or taskbar in Windows 11 or Windows 10.
Use Microsoft Translator in Microsoft Edge browser
Learn how to use Microsoft Translator in the Edge browser to translate webpages.
Applies To:
Microsoft Edge
Returning items you bought from Microsoft for exchange or refund
Learn how to receive a refund or exchange for items purchased from Microsoft.
Applies To:
Microsoft account dashboard