Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Windows 11 Windows 10. If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key. Where can I find my BitLocker recovery key?

Make sure you have an internet connection. Plug your Surface into an outlet and make sure it's charged to at least 40 percent before installing updates. Keep your Surface plugged in and turned on while it's updating. Automatically update Windows 10, Windows 11, and Surface drivers and firmware.

How to open PC Health Check. In Windows, use Search on the taskbar to search for “PC Health Check,” then select it from the list of results. If a PC Health Check update is available, you can quickly install it for the latest version.

Windows 11 Windows 10 Windows 8.1. If you're having problems with your PC, the following table can help you decide which recovery option to use. Click one of the recovery options below and follow the steps to try to get things working again. Remove an installed Windows update. Reset your PC. Use the Startup Repair function.

Windows 10. This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.

Create installation media for Windows. Windows 10 Windows 8.1 Windows 7. You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows.

Windows 11 Windows 10. System File Checker is a utility in Windows that checks for problems with files on your computer. To run it, follow these steps: Make sure you've installed the latest updates for Windows, and then restart your machine. To find out more, read Update Windows.

Find operating system info in Windows 11. To find out which version of Windows your device is running, press the Windows logo key + R, type winver in the Open box, and then select OK. Here’s how to learn more: Select Start > Settings > System > About . Open About settings.

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