Contact Us - Microsoft Support
Office. Windows. Xbox. Surface devices. Copilot. Dynamics 365. Intune. Azure. Server products. PC accessories. Advertising. Show expanded list of products. More support options. Business Assist. Help for admins of small businesses. Microsoft Store support. Contact Microsoft Support.
手机连接要求和设置 - Microsoft 支持
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Update drivers manually in Windows - Microsoft Support
Restart your PC. Windows will attempt to reinstall the driver. More help. If you can't see the desktop and instead see a blue, black, or blank screen, see Troubleshoot blue screen errors or Troubleshoot black or blank screen errors. Check for Windows updates.
Redeem a gift card or code to your Microsoft account
Redeem Code. Tip: If you're signed in with the wrong account, select sign out first. How to redeem an Office product key. Sign in to Office.com/setup with your Microsoft account. Enter the 25-character code, and then select Next. Don’t worry about hyphens, the system takes care of those for you.
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Microsoft 帐户仪表板
Download and install the Microsoft Authenticator app
Point your camera at the QR code or follow the instructions provided in your account settings.
Change your default search engine in Microsoft Edge
Select Settings and more > Settings . Select Privacy, search, and services. Scroll all the way down to the Services section and select Address bar and search. Choose your preferred search engine from the Search engine used in the address bar menu.
修复 Windows 中的声音或音频问题 - Microsoft 支持
修复音频驱动程序. 7. 将音频设备设置为默认设备. 8. 关闭音频增强功能. 9. 重启音频服务. 10. 尝试不同的音频格式. 11. 重启以应用已安装的更新. 12. 在设备管理器中检查 IDT 高清晰度音频编解码器. 13. 如果遇到麦克风问题，请确保正确配置隐私设置. 了解如何修复 Windows 中的声音或音频问题。
How to use the PC Health Check app - Microsoft Support
If you don't have PC Health Check installed, you can install it by going to https://aka.ms/GetPCHealthCheckApp and following the prompts to download and install the app. . Here's some of the things you can do in the PC Health Check app in Windows: Check Windows 11 eligibility. Backup & sync. Windows Update. Battery capacity. Storage capacity.
Open Device Manager - Microsoft Support
Open Device Manager.
Internet Explorer mode in Microsoft Edge - Microsoft Support
To view a website using Internet Explorer mode in Microsoft Edge, use the following steps. Navigate to the website you want to view in Internet Explorer mode. Click the three dots in the upper right corner of the browser window. Select Reload in Internet Explorer Mode.