Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

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

Learn how to use the PC Health Check app to help you improve your device performance.

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。

Learn how to create installation media for installing or reinstalling Windows 7, Windows 8.1, or Windows 10.

Learn how to find and change settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings .From there, browse the categories or use search to find what you're looking for.

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

Find out how to fix sound or audio problems in Windows.

Get to know your way around Windows 11, from where to search to how to stay organized. Watch the video and read tips about new features.

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC.