If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

The applications that run automatically when your device boots up can impact both the speed of your startup and the overall performance of your system. By customizing which applications launch on startup, you can streamline your routine, ensuring that only the tools you need for your daily tasks are ready and waiting for you.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC. How to open PC Health Check. In Windows, use Search on the taskbar to ...

Use the Quick Assist web app to get help with your computer directly from Microsoft support agents. The app connects your computer with the Microsoft support agent’s computer using a remote connection.

Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.

Gaming Services Repair Tool for PC. If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.

Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.

Use Xbox app on mobile or Xbox.com to remotely install games—so your games are ready when you are. Here’s how to get your console and Windows device ready for installations that you’ll be able to start from your PC, mobile device, or from Xbox.com.