Product keys for Windows - Microsoft Support
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.
Perform an offline system update | Xbox Support
Learn how to update your Xbox console offline.
Windows 10 and Windows 11 in S mode FAQ - Microsoft Support
About Windows 11 in S mode. Windows 11 in S mode is a version of Windows 11 that's streamlined for security and performance, while providing a familiar Windows experience.
What's new in Office 2021 - Microsoft Support
In Office 2021, you'll find new co-authoring features, inking tools, data types, functions, translation and editing tools, motion graphics, ease-of-use features, and so much more!
Applies To: Office 2021, Office 2021 for Mac
Microsoft account security info & verification codes
Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.
Applies To: Microsoft account dashboard
Camera doesn't work in Windows - Microsoft Support
Learn how to troubleshoot when the camera is not working in Windows or you see errors 0xA00F4244 or 0x200F4244.
Back up your folders with OneDrive - Microsoft Support
Learn how to create a OneDrive backup on your PC. Set up OneDrive PC folder backup to access, manage, stop, or fix problems with PC folder backup.
Applies To: OneDrive for Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
How to play MP4 files in Windows 10 - Microsoft Support
Play MP4 files in Windows 10 by right-clicking the file and choosing what application to open it with.
Reinstall Windows - Microsoft Support
Learn how to reinstall Windows on your PC and how activation works after it's installed.
Get updates for apps and games in Microsoft Store
Learn how to get Microsoft Store updates for your apps and games. Download the latest versions of Microsoft Store apps and games.