BitLocker locked me out of my PC after a system update, but the recovery key saved me. I found it on my Microsoft account under the device’s details and used it to unlock each encrypted drive ...

It's the key to unlocking a set of features that can help you manage ... In case you can't sign in to your Windows account using your password, you can reset your Microsoft account online from another ...

For Windows 10, go to Settings > Update & security > Recovery. Then, click the Reset PC button, and you'll see two options. Pick the "Remove Everything" option to wipe everything clean.