Your Windows device may run slowly for several reasons, such as limited storage space, too many startup apps running in the background, outdated software, or hardware that no longer meets modern …

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

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

Windows Update Delivery Optimization helps you get Windows updates and Microsoft Store apps more quickly and reliably. You’re in control over whether you use Delivery Optimization with the settings …

Learn how to test and optimize your network connection speed for the best experience on Xbox.

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 caused problems …

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 specific problem.

After you move a message to an On My Computer folder, that message is no longer available when you access your account from a different computer. Note: To keep your inbox from becoming too full, you …

Find out what to do if your Xbox game won’t start or freezes during gameplay.

Find out how to fix sound or audio problems in Windows.

Find out how to fix problems with the Xbox app on your smart TV or streaming device.