Learn how to scan and repair missing or corrupted system files in Windows using the System File Checker tool (sfc/scannow). Follow the steps to run the tool, view the scan results, and manually replace the corrupted files if needed.

Learn different ways to remove apps and programs from your Windows 10 or 11 device. Find tips for troubleshooting, repairing, and removing malware.

Learn how to use the Program Install and Uninstall troubleshooter to repair issues that block programs from being installed or removed. The troubleshooter fixes corrupted registry keys and runs on Windows 10, 8.1, 8 and 7.

Learn how to use PC Health Check app to check your device health, battery capacity, storage capacity, startup time, and Windows 11 eligibility. Find out how to install, update, and troubleshoot the app.

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 how to locate your BitLocker recovery key, a 48-digit number needed to unlock an encrypted drive in Windows. See where to find it attached to your Microsoft account, work or school account, printout, or USB flash drive.

Learn how to perform a clean reinstallation and update of Windows 10 while keeping your personal data and most Windows settings intact. Fresh Start lets you reset your PC, choose cloud or local, and restore preinstalled apps.

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 use a USB flash drive or DVD to install or reinstall Windows 10, 8.1, 7, or 11. Find the software download website, product key, and recovery options.

Learn how to speed up your PC with Windows 11 or Windows 10 by updating, restarting, using ReadyBoost, managing page file, freeing up space, and more. Follow the steps and suggestions in this article to optimize your PC's performance.