Click on Start, search cmd, and click on Run as Administrator. This will open an elevated Command Prompt, here; run this command: manage-bde -protectors -get C: All the Bitlocker recovery keys ...

On the next prompt, make a note of the key ID (e.g., “BED9A0F3“) to help ID the recovery key for this drive. Now go to where you backed up the BitLocker recovery key for this drive.