Learn how to use the System File Checker tool (SFC.exe) to scan and restore Windows system files that are not working or causing crashes. Follow the steps to run SFC.exe, view the scan results, and manually replace the corrupted files if needed.

Learn how to mirror or project another device's screen to your Windows PC using Miracast. Follow the steps for Windows 11 or Windows 10 to install the Wireless Display app and connect to a wireless display.

Learn how to use PC Health Check app to check your Windows device health, performance, and eligibility for Windows 11 upgrade. Find out how to install, update, and troubleshoot the app.

Learn how to use Google Assistant or Google Home-enabled devices to control your Xbox Series X|S or Xbox One console with your voice. Follow the steps to enable digital assistants on your console and link your accounts in the Google Home app.

Learn how to use the Xbox Accessories app to self-calibrate the thumbsticks on your Xbox Wireless Controller. Find out how to update your controller firmware, troubleshoot common issues, and request a replacement if needed.

Learn how to turn off recurring billing and get a refund for your Xbox subscription on console or web. Check the terms and conditions, troubleshoot issues, and contact support if needed.

Learn how to use the PC Health Check app or the Microsoft Compatibility Appraiser task to see if your device meets the system requirements for Windows 11 after changing your hardware. Find out how to refresh the eligibility assessment and what factors affect the upgrade offer.

Learn how to switch the default search engine in Microsoft Edge to any site that uses OpenSearch technology. Follow the steps to select your preferred search engine from the menu or add a new one.

Learn how to locate your 25-character product key or digital license for Windows 10, Windows 11, Windows 8.1, or Windows 7. See where to find the product key on your device, box, or sticker, or how to contact the manufacturer if you've lost it.

SCANPST.EXE is a tool that can diagnose and fix errors in your Outlook data files (.pst and .ost). Learn how to locate, run, and use the tool to recover your Outlook items and folders.