Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

了解如何在电脑上安装 Office 2013 或 Office for Mac 2011。

Learn how to download and install apps you need from your Microsoft 365 business subscription.

Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.

Internet Explorer 11 支持已于 2022 年 6 月 15 日结束。 如果访问的任何网站需要Internet Explorer 11，则可以在Microsoft Edge中使用Internet Explorer模式打开它。

Keyboard shortcuts are keys or combinations of keys that provide an alternate way to do something you'd typically do with a mouse. Here’s the list for the new Microsoft Edge and Microsoft Edge for Mac.

Check the Xbox services, games, and apps for any service outages.

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

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.