Learn how to sign in and create app passwords for Microsoft apps and devices that don't support two-step verification.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

When you install the web version of Outlook as a progressive web app, you can do things like pin and launch the web version of Outlook from your computer's home screen or task bar and access your account while you're offline.

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. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made. To go back to a restore point:

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。

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

Find out how to use the Xbox app to install and play PC games on your Windows device, chat with friends, and play Xbox console games remotely or from the cloud.

Find details about new and updated features and functionality for the Xbox app on PC.

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.

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.