Minitool-partition-wizard-10-3-free-edition -

: If you are modifying the C: drive (where Windows is installed), the program will ask to restart your computer to perform the operations in "Pre-OS" mode.

: Convert disks between MBR and GPT without data loss. minitool-partition-wizard-10-3-free-edition

Required if you want to use a disk larger than 2TB or upgrade to a modern UEFI boot system. : If you are modifying the C: drive