Locate your product key for Windows 10 or Windows 11. Depending on how you got your copy of Windows 10 or Windows 11, you'll need either a 25-character product key or a digital license to activate it.

See how to install programs on Windows 10 from a CD or DVD, from the internet, or from Microsoft Store.

How to make PC games work better. Troubleshoot game audio or video issues on Windows. Troubleshoot gameplay, performance, and stability issues on a Windows device. How to get software and driver updates for Windows devices. Optimize available storage by customizing game installations.

If you receive a phone call claiming to be from Microsoft, or see a pop-up window on your PC with a fake warning message and a phone number to call and get your “issue” fixed, it’s better to be safe and not click any links or provide any personal information.

The Performance widget shows your PC’s resources while gaming, such as: CPU – Central Processing Unit. This indicates whether your system is keeping up with the needs of the game. GPU – Graphics Processing Unit. This shows how much video processing power your graphics card is using. RAM – Random Access Memory.

In addition to diagnostic checks, there is a push-button simple way to check upgrade eligibility for Windows 11. Once Windows 11 is released, Windows Update will also offer a way to assess upgrade eligibility. You will be able to access this from Settings > Update & Security .

The Xbox app on PC relies on two Microsoft accounts: the Microsoft Store account, and the Xbox account (your PC gaming account). The Microsoft Store account provides access to owned games, subscription benefits, and other Xbox app purchases made by that account.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

If you need to reinstall Office, select the version you want to install and follow those steps: Microsoft 365, Office 2019, Office 2016, Office 2013, Office 2010, or Office 2007. How to uninstall Office automatically.

Get help with Outlook mobile. For other help with your Microsoft account and subscriptions, visit Account & Billing Help. To get help and troubleshoot other Microsoft products and services, enter your problem here . Post questions, follow discussions and share your knowledge in the Outlook.com Community.