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?

Go to Start > Settings > Update & Security > Windows Security > Device security . Under Security processor, select Security processor details. Select Security processor troubleshooting, and then under Clear TPM, select Clear TPM. You'll need to restart your device to complete the process.

Open the Surface app. In the Surface app, expand Help & support to check if the update status is "You're up to date" or something else. If needed, select the option to update the devices. Note: If you don't have the Surface app installed, you can download the Surface app from the Microsoft Store.

Press the Xbox button to open the guide, select Profile & system > Settings > Devices & connections > Controllers & headsets, and then select the controller you want to update. On the Xbox Wireless Controller screen, select “…” to check the firmware version for your controller.

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.

How to redeem an Office product key. Sign in to Office.com/setup with your Microsoft account. Enter the 25-character code, and then select Next . Sign in. How to redeem a Windows activation code. On your Windows PC, go to the Activation section of the Settings app and select Change product key. Open Settings. Problems redeeming a code?

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.

Select Start > Settings > Accounts > Sign in options. Select PIN (Windows Hello) > Change PIN and then follow the instructions. You will need to know and enter your old PIN in order to change to a new one.

Press [ Windows Key] + R or select Start > Run. Type “tpm.msc” (do not use quotation marks) and choose OK. If you see a message saying a “Compatible TPM cannot be found,” your PC may have a TPM that is disabled. See How to enable TPM for more information or check your PC manufacturer’s support information for instructions to enable the TPM.

If you upgraded from Windows 10 to Windows 11 on your PC, these steps will help you enable virtualization. Note: Many Windows 10 PCs—and all PCs that come preinstalled with Windows 11—already have virtualization enabled, so you may not need to follow these steps. Before you begin, determine your device model and manufacturer.