Learn how to improve Windows PC performance if your device is running slowly.

Trying to play a new game? Check here for the known game issues that we're currently tracking and find out what you can do about them. By making a few adjustments to your home network, …

Try these solutions if your Surface seems to be running more slowly than it once did.

Get help when you experience performance issues with games on your PC.

Important This article contains a section that shows how to help lower security settings or how to turn off security features on a computer. You can make these changes to work around a …

Find out how to use Game Bar to monitor your PC's CPU usage, frame rate, and other real-time stats while playing your games.

Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > …

This article discusses troubleshooting steps that can help resolve the most common issues when you receive an Excel not responding error, Excel hangs or freezes when you launch it, or open …

Learn how to change the video playback settings for apps that use the video platform that's built in to Windows.

To compress your videos without visible quality loss, there are free video compressor tools available when you search for them online. We've seen cases where a faulty source media file …

Find answers to frequently asked questions about Windows Update Delivery Optimization.