manage-bde -on Volume {-RecoveryPassword|-rp} NumericalPassword {-RecoveryKey|-rk} PathToExternalKeyDirectory {-StartupKey|-sk} ...

manage-bde -on Volume
        [{-RecoveryPassword|-rp} [NumericalPassword] ]
        [{-RecoveryKey|-rk} PathToExternalKeyDirectory]
        [{-StartupKey|-sk} PathToExternalKeyDirectory]
        [{-Certificate|-cert} {-cf PathToCertificateFile|
                               -ct CertificateThumbprint}]
        [{-TPMAndPIN|-tp}]
        [{-TPMAndStartupKey|-tsk} PathToExternalKeyDirectory]
        [{-TPMAndPINAndStartupKey|-tpsk} -tsk
            PathToExternalKeyDirectory]
        [{-Password|-pw}]
        [{-EncryptionMethod|-em}
            {aes128_diffuser|
             aes256_diffuser|
             aes128|
             aes256}]
        [{-SkipHardwareTest|-s}]
        [{-DiscoveryVolumeType|-dv} {FAT32|[none]|[default]}]
        [{-ComputerName|-cn} ComputerName]
        [{-?|/?}] [{-Help|-h}]

Description:
    Encrypts the volume and turns BitLocker protection on.

Parameter List:
    Volume      A drive letter followed by a colon. Example: "C:"
    -RecoveryPassword or -rp
                Adds a Numerical Password protector.
    -RecoveryKey or -rk
                Adds an External Key protector for recovery.
    -StartupKey or -sk
                Adds an External Key protector for startup.
    -Certificate or -cert
                Adds a public key protector for the data volume.
    -TPMAndPIN or -tp
                Adds a TPM And PIN protector for the OS volume.
    -TPMAndStartupKey or -tsk
                Adds a TPM And Startup Key protector for the OS volume.
    -TPMAndPINAndStartupKey or -tpsk
                Adds a TPM And PIN And Startup Key protector for the OS volume.
    -Password or -pw
                Adds a password key protector for the data volume.
    -EncryptionMethod or -em
                Configures the encryption algorithm and key size.
    -SkipHardwareTest or -s
                Begins encryption without a hardware test.
    -DiscoveryVolumeType or -dv
                Specify file system to use for the discovery volume.
    -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 -on C: -RecoveryPassword
    manage-bde -on C: -RecoveryKey e:\ -RecoveryPassword
    manage-bde -on C: -rp -rk "f:\Folder" -SkipHardwareTest
    manage-bde -on E: -pw