How to Convert Disk MBR to GPT Without any Data Loss- This is to inform you that technique for solution about window installations. If you are facing problem during window installation and you need convert MBR to GPT disk that convert to easily and follow this steps: Step 1: Download " AOMEI Partition Assistant " software from GOOGLE. Step 2: Then install it. Step 3: Open this software. Step 4: Then follow this steps. Step 5: See in pictures- Select which do you want to convert it. Click convert GPT Step 6: After that follow some steps and convert MBR TO GPT.