Find answers to top questions about upgrading to Windows 11, from the minimum hardware requirements to where to find the upgrade.

Microsoft Support offers assistance for Microsoft products, including how-to articles, videos, and training for various software and devices.

Install Office 2007. Insert your Office 2007 CD into the drive. If the setup wizard doesn’t start automatically, navigate to the CD drive and click SETUP.EXE.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

Outlook.com、Hotmail、Live、または MSN のメール アカウントにサインインできない場合、サインインまたはサインアウトする方法がわからない場合は、次の解決方法を試してみてください。

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

Learn how to troubleshoot USB-C problems in Windows and fix USB devices, ports, and adapters not working properly.

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Training: Get started with SharePoint in Microsoft 365. At office.com, sign in to SharePoint, then select the SharePoint tile.

Learn why it's important to have a backup, and how Windows Backup can help you keep your files and settings safe.