What it fixes. The troubleshooter helps fix problems that: Corrupt registry keys on 64-bit operating systems. Corrupt registry keys that control the update data. Prevent new programs from being installed. Prevent existing programs from being completely uninstalled or updated.

Cast to a display from a Windows PC. You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.

Find your Windows settings in a snap! Select the Start button, then select Settings . From there, browse the categories or use search to find what you're looking for. Windows 11 Windows 10. Tips: Most apps have their own settings. In the app, select Settings to make app-specific changes.

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.

Learn how to redeem a gift card, code, or Office product key and spend your balance at Microsoft Store online, on Windows, or Xbox.

Change the screen resolution. Stay in, or open, Display settings. Open your Display settings. In the Display resolution row, select the list and choose an option. It's usually best to stick with the one that's marked (Recommended).

Check the Xbox services, games, and apps for any service outages.

Get free Windows themes from Microsoft to personalize background, colors and sounds for your PC.

Your shared Friends & Family subscription must be active on August 15, 2023, to be eligible. If you’d like to cancel or change your membership, visit your Microsoft account. We’ll send a personalized code (or more than one code) to your Xbox account on console and the Xbox app on PC.

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.