Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually.

了解如何解决 Xbox 主机上游戏或应用下载缓慢的问题。滚动到“安装…”< 要下载的游戏名称 >。 转到“我的游戏和应用”>“管理”>“队列”，并记下显示的正在安装游戏或应用的下载速度。这表示当前的下载速度。如果看到速度缓慢（例如，每秒小于 1 兆位），则可能需要很长时间才能完成下载。

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

If your camera is unable to capture the QR code, you can manually add your account information to the Microsoft Authenticator app for two-factor verification. This works for work or school accounts and non-Microsoft accounts. The codes provided for your accounts aren't case-sensitive and don't require spaces when added into the Authenticator app.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn how to troubleshoot problems installing or running games from the Xbox app for PC.

Get troubleshooting steps for when you can't sign in to the Xbox app.

If your PC has a built-in camera or a connected webcam, you can use the Camera app to take photos and videos. To find the Camera app, select Start > Camera.. Select any heading below.

To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.

Learn how to sign in to Outlook Web App to access your mail, calendar, and contacts information.