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?

Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.

To repair the corrupted files manually, view details of the System File Checker process to find the corrupted file, and then manually replace the corrupted file with a known good copy of the file. Windows 8.1 or Windows 8. Windows 10, Windows 7, or Windows Vista. More Information.

Select Start > Settings > Privacy & security > Device encryption. If Device encryption doesn't appear, it isn't available. You may be able to use standard BitLocker encryption instead. Open Device encryption in Settings. If Device encryption is turned off, turn it On. Turn on standard BitLocker encryption.

Windows 11 Windows 10 Surface. Updates keep your Surface performing its best. Along with software updates for Windows 10 or Windows 11, it's important to make hardware updates, also known as updates for drivers and firmware. You can quickly check the health of your Surface drivers and firmware using the Surface app. Open the Surface app.

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.

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. Go back to your previous version of Windows. Restore from a system restore point.

How to get this update. Prerequisites. Before updating to Windows 11, version 23H2 using an enablement package, you must be running Windows 11, version 22H2. You must have the following prerequisite installed before applying this update: October 31, 2023—KB5031455 (OS Builds 22621.2506 and 22631.2506) Preview or a later cumulative update.

If you are unsure if your device meets the Windows 11 minimum system requirements and have Windows 10 already installed, you can download the PC Health Check app, which will assess eligibility and identify components of your device that don't meet the minimum requirements.

This article describes ways to install Windows 11. Note: To upgrade to Windows 11, devices should meet the Windows 11 minimum system requirements. Some Windows 10 features aren't available in Windows 11. System requirements to experience some Windows 11 features and apps will exceed the Windows 11 minimum system requirements.