This post will show you how to Turn On or Off BitLocker to encrypt or decrypt fixed and removable data drives in Windows 11/10.

BitLocker also integrates with TPM (Trusted Platform Module), a hardware component built into modern computers for preserving encryption keys and safeguarding against hard drive tampering.

BitLocker is a secure disk encryption solution that’s built into Windows 11. When your PC uses BitLocker encryption, it stores all the files on its internal storage device in encrypted form.

BitLocker recovery key saved my PC after an update locked me out. Here’s how I used the recovery key from my Microsoft account to unlock encrypted drives.