Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.

Go to Settings > Apps > Apps & features to change whether you're shown app recommendations when trying to install apps from outside the Store.

A Microsoft account is a personal account required for access to Microsoft’s products and services.

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

Learn about HDR capabilities in Windows 11 to bring a wider range of colors and details to your display.

Learn how to use drag and drop to transfer content between your Android device and PC.

Discover the latest updates for Windows 10, including improvements and fixes, known issues, and guidance on how to get the update.

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。

Use the Windows Quick Assist app to get help with a computer problem from family or friends or help them out. Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it).

Learn how to troubleshoot and fix problems setting up your email in Outlook.