This cumulative update for Windows 11, version 25H2 and 24H2 (KB5083769), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

Open Device Manager Microsoft in education Devices for education Microsoft Teams for Education Microsoft 365 Education How to buy for your school Educator training ...

Learn how to install, reinstall, or activate Microsoft 365 or Office 2024 on a PC or Mac.

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

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down .

Audio issues on your PC can be incredibly frustrating, especially when you're trying to watch a video, attend a meeting, or listen to music. Fortunately, most sound problems can be fixed by following a series of troubleshooting steps. This article provides a comprehensive guide to resolving audio issues in Windows. The tips are listed in order, so start with the first one, see if that helps ...

Get answers to some basic questions about what two-step verification is, and how to set it up and use it to help keep your Microsoft account more secure.

Learn how to sign in to your Outlook or Hotmail mailbox using your Microsoft account.