Learn how to use Microsoft Defender Antivirus to scan and remove malware from your PC. Follow the steps to run an offline scan, view the results, and take action against detected threats.

Learn how to use the Windows Security Troubleshooter to diagnose and repair Windows security problems by turning on UAC, DEP, Windows Firewall, and other features. Download the troubleshooter and run it on the affected computer or a flash drive or a CD.

Learn how to update or reinstall device drivers in Windows using Device Manager. Find out how to search for updated driver software, uninstall drivers, and troubleshoot driver issues.

Learn how to fix issues with Gaming Services on your PC, such as installation or update errors, by using the Xbox app or the downloadable tool. Find out how to check your Xbox app version, run the repair tool, and provide feedback.

Learn how to use the Phone Link app to send and receive SMS and MMS messages from your PC. You can also add media, such as photos and GIFs, to your conversations from your PC or Android device.

Learn how to restrict installation of new printer drivers on a print server after applying the security updates for CVE-2021-34527. This vulnerability affects the Windows Print Spooler service (spoolsv.exe) and requires administrator credentials or registry settings.

Learn how to find and change settings, tools, and internet options in Microsoft Edge for Windows 10 and Mac. Select Settings and more > Settings to access browser home page, search engine, history, cookies, and sync options.

Learn how to mirror or project another device's screen to your Windows PC using Miracast. Follow the steps to install the Wireless Display app, connect to a wireless display, and add Cast to your quick settings.

Learn how to troubleshoot sound or audio issues in Windows 11 or Windows 10 with step-by-step instructions and tips. Check your speaker output, run the audio troubleshooter, update or uninstall your audio driver, and more.

Learn how to view and delete passkeys saved for apps or websites on your Windows 11 device. Passkeys are secure keys that replace passwords for online accounts.