Learn how to upgrade your existing device to Windows 10 or buy a new PC. Get answers to common questions about upgrading to Windows 10.

Sign in to account.microsoft.com, then select Order History on your Rewards page.

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

Learn how to add Teams meetings to Outlook calendar using our step-by-step guide. Say goodbye to scheduling headaches and hello to seamless collaboration!

Learn how to view, manage, and delete cookies in Microsoft Edge.

Learn about what effect closing a Microsoft account might have on your other apps and services.

了解如何在 Windows 10 和 Windows 11 中添加用户帐户。 有了帐户之后，每个人都可拥有单独的文件、浏览器收藏夹和私人桌面。

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

If you already have an account signed in to OneDrive and you want to add or remove another account, you’ll do that in OneDrive Settings.

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.