Convert an existing Windows 10 Installation from Legacy BIOS to UEFI
One of the critical
system requirements for Windows 11 is having a GPT partition scheme for installation, which must be based on UEFI. This article explains how to convert existing Windows 10 Installation from the Legacy MBR partition scheme to the more modern GPT UEFI partition scheme, using Microsoft's MBR2GPT.exe tool; all without losing any data or settings!
