Windows camera, microphone, and privacy - Microsoft Support
In Windows 10, ensure that Camera access for this device, Allow apps to access your camera, and the individual toggle for the Microsoft Store app you wish to use is turned on. If you do not see the app or website you're looking for in the list, it's likely a desktop app. Desktop apps cannot be individually toggled, but access for those apps can be controlled using Allow desktop apps to access ...
Windows - Microsoft
Microsoft建议在登录到 Windows 时使用 Microsoft 帐户,而不是本地帐户。 在 Windows 中使用Microsoft帐户可以无缝集成Microsoft服务、增强的安全性,以及跨设备同步,这与本地帐户不同。 请在使用 Microsoft 帐户登录中了解有关 Microsoft 帐户的详细信息。
DirectX - Microsoft
DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是,你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏,你可能会收到错误消息“无法启动此程序,因为计算机中丢失 d3dx9_35.dll。
Troubleshooting tips for installing and updating Microsoft Edge
Here’s how to reinstall Microsoft Edge whether you’re a Windows or Mac user: Open any working browser. (Note: If you’re a Windows user and your Microsoft Edge is not currently functioning, to open Internet Explorer, type IE in the search box on the taskbar and then select Internet Explorer from the results.Or press the Windows logo key on your keyboard and then type IE in the search bar.)
Error 0xC0000142 when you start an Office application
Note: If you have a suite such as Microsoft 365 Family, Office Home & Student 2016, or Office Home and Student 2013, search for the suite name, even if it's just a particular application you want to repair such as Word or Excel.If you have a standalone application such as Word or Excel, search for the application name.
Add a trusted device to your Microsoft account
You'll be prompted to verify your identity. Choose whether to receive the code through email, text, or an authenticator app. Once you have the code, enter it in the text box.
Enable TPM 2.0 on your PC - Microsoft Support
How to enable TPM. If you need to enable TPM, these settings are managed via the UEFI BIOS (PC firmware) and vary based on your device. You can access these settings by choosing: Settings > Update & Security > Recovery > Restart now. From the next screen, choose Troubleshoot > Advanced options > UEFI Firmware Settings > Restart to make the changes.
Fix problems signing in to the Xbox app - Microsoft Support
On your PC, go to Xbox.com and select Sign in.If there are problems with your account, the instructions will help you solve them. If you can’t go beyond the sign-in screen, select Forgot my password and follow the instructions.
DVD playback options for Windows - Microsoft Support
Find out how to get a DVD player app, add-on, or plug-in, or whether you can upgrade your edition of Windows to add DVD playback.
Account help
Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.