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 update your Surface device with the latest drivers and firmware for Windows 10 or Windows 11. Find links for automatic and manual updates, and check your Surface model and OS build.

Learn why you need to update your security processor or TPM firmware to protect your device from a vulnerability. Follow the steps to download and install Windows updates, firmware updates, and clear your TPM.

Learn how to find your BitLocker recovery key, a 48-digit number needed to unlock an encrypted drive in Windows. The recovery key can be attached to your Microsoft account, work or school account, printout, or USB flash drive.

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

Learn how to check for and install updates for Windows 10 and Windows 11, and troubleshoot problems with Windows Update. Find answers to FAQs and links to service packs and activation.

Learn how to get the new features in Windows 10, version 20H2 through a monthly quality update for Windows 10, version 2004. The enablement package is a small, quick-to-install “master switch” that activates the Windows 10, version 20H2 features.

Learn how to use the Program Install and Uninstall troubleshooter to fix corrupted registry keys, prevent programs from being installed or removed, and access the product code. The troubleshooter runs on Windows 10, 8.1, 8, and 7.

Find out the latest updates, release dates, and known issues for Windows 10, version 20H2 and Windows Server, version 20H2. Learn how to get the updates, troubleshoot problems, and stay informed about changes and end of support.

Learn about the latest features and fixes for Windows 11, version 23H2, released on 10/31/2023. Find out how to install the update, what's new in Copilot in Windows (in preview), Microsoft Teams (free), and more.