manage-bde -unlock Volume {[{-RecoveryPassword| -rp} NumericalPassword | {-RecoveryKey|-rk} PathToExternalKeyFile]} {-Certificate|-cert} ...

manage-bde -unlock Volume
                    {[{-RecoveryPassword| -rp} NumericalPassword] |
                    [{-RecoveryKey|-rk} PathToExternalKeyFile]}
                    [{-Certificate|-cert} {-cf PathToCertificateFile|
                                           -ct CertificateThumbprint} {-pin}]
                    [{-Password|-pw}]
                    [{-ADAccountOrGroup|-sid} [{SID|domain\user|domain\group}]
                    [{-ComputerName|-cn} ComputerName]
                    [{-?|/?}] [{-Help|-h}]

Description:
    Allows access to BitLocker-encrypted data with a recovery password,
    recovery key, certificate, or password.

Parameter List:
    Volume      A drive letter followed by a colon, a volume GUID path or
                a mounted volume. Example: "C:",
                \\?\Volume{26a21bda-a627-11d7-9931-806e6f6e6963}\ or
                "C:\MountVolume"
    -RecoveryPassword or -rp
                Provide a recovery password to unlock the volume.
    -RecoveryKey or -rk
                Provide an external key file to unlock the volume.
    -Certificate or -cert
                Query the local user certificate store for a BitLocker
                certificate to unlock the volume.
    -Password or -pw
                Prompt for a password to unlock the volume.
    -ADAccountOrGroup or -sid
                Attempt to unlock the volume using a SID-based Identity
                protector.
    -ComputerName or -cn
                Runs on another computer. Examples: "ComputerX", "127.0.0.1"
    -? or /?    Displays brief help. Example: "-ParameterSet -?"
    -Help or -h Displays complete help. Example: "-ParameterSet -h"

Examples:
    manage-bde -unlock -?
    manage-bde -unlock e: -RecoveryPassword ...
    manage-bde -unlock e: -RecoveryKey "f:\File Folder\Filename"
    manage-bde -unlock e: -Certificate -cf "c:\File Folder\Filename.cer"
    manage-bde -unlock e: -pw
    manage-bde -unlock e: -sid