[ UEFI-GPT ]How to convert GPT Disk <==> MBR Disk without any data

Only for Windows 64Bit
1.What do you need first :

• File ISO Win8PE64bit
• File ISO Win 8.1 64Bit
• MiniTool Partition Wizard Professional 8.1 Portable.rar
• USB

2. How to copy Win8PE64bit into USB

 Video :

3. Set up BIOS

• In BIOS change from Legacy to UEFI >>> Disable Security boot >>> Disabled Load Legacy Option Rom 

 

4. After you create USB boot from Win8PE, extract MiniTool Partition Wizard Professional 8.1  into USB. Restart computer to Win8PE. Run MiniTool Partition Wizard Professional 8.1 to convert from MBR to GPT.

How to change from GPT to MBR (Picture) :

•  BIOS convert form UEFI to Legacy >>> Disable Security boot >>> Enable Load Legacy Option Rom 
  

• Use USB boot Win8PE 64 bit to boot into mini win8, run MiniTool Partition Wizard Professional 8.1 Portable
• Before you convert 
  
  
  

•  Only 4 Disk Primary when you convert to MBR, you need to delete 3 disk Reserved Partition (128MB), Recovery Partition (300MB), EFI System Partition (100MB).

 

• Then