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.

If your device has Microsoft Edge installed, then it’s likely that Quick Assist will run properly. If you have problems, the common troubleshooting tips here may help get Quick Assist working. See Troubleshooting tips for installing and updating Microsoft Edge.

Quick Assist uses a remote connection, so remember to only use it with people you trust, since they can see your computer screen or control your PC (if you allow it). Select Start > All apps > Microsoft Store. In the Microsoft Store, search for and select Quick Assist. Select Get or Install.

Remote Assistance Support from Microsoft allows a Microsoft support professional in another location to view your computer screen and work on your computer over a secured connection. Protect yourself from tech support scams. Before clicking 'I accept', review the: Agreement for Microsoft Services. Microsoft Software License Terms.

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

Having trouble connecting to your email from Outlook on your desktop? Follow these steps to let Outlook diagnose and fix errors in your Outlook mail profile that might be causing the issue.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter.

If your device isn’t up to date or needs attention, PC Health Check will let you know. Use this section of PC Health Check to get info on how your batteries are performing compared to their original capacity for devices with one or two batteries.

The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.