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.

Learn how to locate and manage your app permissions on Windows devices. Some apps or games need specific permissions to work properly.

The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.

We would like to show you a description here but the site won’t allow us.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

Use the Xbox mobile app, the Xbox Game Pass app, or the Microsoft Store on PC to remotely install games—so your games are ready when you are.

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.

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

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

To play a recorded meeting in Microsoft Teams, go to the chat history of the meeting and click Play.