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, here are some solutions.

Detailed information about downloading and using Microsoft Authenticator in China. The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn how to upgrade from Windows 10 Home to Windows 10 Pro or Windows 11 Home to Windows 11 Pro, including how to use a valid product key or the Microsoft Store.

Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

Windows Server 2022. Release Date: 5/14/2024. Version: OS Build 20348.2461. For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types . For an overview of Windows Server 2022, see its update history page . Note Follow @WindowsUpdate to find out when new content is ...