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?

Tap the Windows Start button and type BitLocker. Select the Manage BitLocker Control Panel app from the list of search results. In the BitLocker app select Back up your recovery key. Select where you want the key backed up.

Use the System File Checker tool to repair missing or corrupted system files - Microsoft Support. Windows 8.1 Windows 8.1 Enterprise Windows 8.1 Pro Windows 8 More... If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files.

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. Use installation media to reinstall Windows 11. Use installation media to restore your PC. Use a recovery drive to restore or recover your PC.

Want to learn more and find out if your device supports device encryption? See Device encryption in Windows. Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Download. What it fixes. Checks the following Windows security features and enables them if needed. Phishing Filter or Smartscreen Filter. User Account Control (UAC) Data Execution Prevention (DEP) Windows Firewall. Antivirus protection status and updates. Runs on. Windows 7. Windows 8.1. Windows 10. See also. Stay protected with Windows Security.

Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

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.

Before you download a recovery image, format your USB drive to FAT32. To download a recovery image, please sign in with your Microsoft account. Having trouble signing in? Contact Us.

Windows 7. Support for Windows 7 ended on January 14, 2020. We recommend you move to a Windows 11 PC to continue to receive security updates from Microsoft. Learn more. The System Recovery Options menu contains several tools, such as Startup Repair, that can help you recover Windows from a serious error.