1. Open Command Prompt as an administrator.
2. Run the following command to convert the partition:
mbr2gpt.exe /convert /allowfullOS3. Reboot the machine.
4. Change the boot mode to UEFI and make sure the Windows Boot Manager is selected on the boot sequence.
5.Uncheck all the options on Advanced Boot, Enable the TPM, Disable SHA-256 and make sure attestation and key storage are enabled.
6.Enable Secure Boot
7.Set the Fast Boot to Minimal.
8.Enable winre.wim to be on the recovery drive
9.Open Command Prompt as an administrator and type the following commands:
REAgentC /SetREImage /Path R:\Recovery\WindowsRE
REAgentC /enable10. Configure Bitlocker on Windows