In Control Panel, select System and Security, and then under BitLocker Drive Encryption, select Manage BitLocker. Note: You'll only see this option if BitLocker is available for your device. It isn't available on Windows 10 Home edition.

BitLocker encryption is available on supported devices running Windows 10 or 11 Pro, Enterprise, or Education. On supported devices running Windows 10 or newer BitLocker will automatically be turned on the first time you sign into a personal Microsoft account (such as @outlook.com or @hotmail.com) or your work or school account.

The path specified in the Boot Configuration Data (BCD) for a BitLocker Drive Encryption integrity-protected application is incorrect. Please verify and correct your BCD settings and try again.

It's used by services like BitLocker drive encryption, Windows Hello, and others, to securely create and store cryptographic keys, and to confirm that the operating system and firmware on your device are what they're supposed to be, and haven't been tampered with.

Learn how to download and use the Surface Bitlocker Protector Check tool to configure the Bitlocker settings on your Surface device correctly.

BitLocker-encryption - On Windows 10 PCs, OneDrive syncs your Personal Vault files to a BitLocker-encrypted area of your local hard drive. Automatic locking - Personal Vault automatically relocks on your PC, device, or online after a short period of inactivity.