Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

Microsoft's products and services work best if you use the same language and region across all your devices, and in all of your app and Store settings.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

In Windows, having a camera and microphone as part of your device lets you make Teams video calls, take pictures, record videos, and more. Many apps and services request and use the camera or microphone, and Windows settings give you control over which apps can use your camera or microphone.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

There are some solutions you can try. First steps if your Surface Type Cover or Keyboard doesn't work. To try to resolve these issues, you can begin by following the steps below to get the latest updates, detach the Type cover or keyboard, force a restart, reattach the Type Cover or Keyboard, or confirm connectivity.. Get the latest updates

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。

Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

Find out how to use Game Bar to capture game play, chat with friends, track achievements, and more.

Learn how Smart charging in Windows can help your battery last longer over time.