When you use Microsoft BitLocker encryption to safeguard the data on a disk, a special 48-digit recovery key—a numerical password that may be used to open your system—is produced as part of the procedure.
This key must be used if BitLocker is unable to verify that the attempt to access the system disk is approved by another method since BitLocker is a Windows encryption mechanism that protects your data from illegal access. This might also occur if you make modifications to hardware, firmware,