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

Learn how to install the Media Feature Pack for Windows 10/11 N editions (September 2022).

Learn how to play different type of CDs and DVDs in Windows Media Player.

Find your product key to activate Windows. A product key is a 25-character code that's used to activate Windows and helps verify that Windows hasn't been used on more PCs than the Microsoft Software License Terms allow.

You can add an input language in Settings. Adding an input language lets you set a language-preference order for websites and apps. It also lets you change your keyboard language.

Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

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.

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

Learn how to reset your PIN if you aren't signed in to Windows and having trouble using your PIN.