➥ Change bitlocker encryption from 128 bit to 256
Go to Start -> Run and type gpedit.msc
Navigate to Computer Configuration\Administrative Templates\Windows Components\BitLocker Drive Encryption. Double-click the “Choose drive encryption method and cipher strength” setting.
Select Enabled, click the drop-down box, and select AES 256-bit. Click OK to save your change.
Navigate to Computer Configuration\Administrative Templates\Windows Components\BitLocker Drive Encryption. Double-click the “Choose drive encryption method and cipher strength” setting.
Select Enabled, click the drop-down box, and select AES 256-bit. Click OK to save your change.