switch to uefi

Steps to convert MRB to GPT drive structure in Windows 10
in previous versions of windows, you were forced to reinstall the entire operating system if you wanted to convert from master boot record (mbr) (legacy bios) to guid partition table (gpt) (uefi).
How to convert Legacy BIOS to UEFI in Windows 10
in previous versions of windows, you had to reinstall the entire operating system if you wanted to convert legacy bios or master boot record (mbr) to uefi or guid partition table (gpt).