Learn how to install Office 2013 on your PC or Office for Mac 2011.

We recommend always having the latest version of Windows installed to make sure you get the best experience with the Phone Link .

Learn how to play different type of CDs and DVDs in Windows Media Player.

Learn how to organize your favorites in Microsoft Edge. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

Xbox Game Pass Ultimate includes all Game Pass benefits, including more than 100 high-quality console and PC games. New games are added all the time, so there’s always something new to play.

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

If either of the categories above apply to you, use the following procedures to update your browser: Update once. In the browser, go to Settings and more > Help and feedback > About Microsoft Edge (edge://settings/help).. If the About page shows Microsoft Edge is up to date., you don't need to do anything.

Get an overview of SharePoint. Learn about sites, lists and libraries, permissions, content types and workflows. In addition, read about some of the social features in SharePoint.

Learn how to use the Gaming Services Repair Tool to troubleshoot installation and update issues with Gaming Services on PC.