Greetings!
This is Tin, I'll do my best to help you. I can see here that you're looking for your Bitlocker key.
May I know if you are the one who set up the Bitlocker? If not, please check and follow the steps from the link below: (Posted by: Greg Carmack Windows MVP 2010-20 (ret'd) now an IA)
[https://free.blessedness.top/en-us/answers/questions/2338453/(article)-windows-10-11-bitlocker-fixes-recovery-(?forum=windows-all&referrer=answers](https://free.blessedness.top/en-us/answers/questions/2338453/(article)-windows-10-11-bitlocker-fixes-recovery-(?forum=windows-all&referrer=answers)
Finding your BitLocker recovery key in Windows
If the steps or information from the link didn't help. It would be best to reach the device manufacturer to check it for you.
Thank you,
Tin