Security News > 2021 > September > Windows 11 prep: How to convert MBR hard drive partitions to GPT
For added security, Windows 11 will forgo the older MBR partition scheme and use GPT instead. That may require users to convert their older hard drives.
Current users of Windows 10 who plan to update their operating systems to Windows 11 when it is released in October 2021 will first have to meet several non-negotiable and stringent prerequisites.
In its attempt to make Windows PCs more secure, Microsoft is requiring personal computers running Windows 11 to also use the Unified Extensible Firmware Interface firmware installed on the motherboards.
If your Windows 10 computer is still using MBR, it will have to be converted to GPT before you will be allowed to update it to Windows 11.
How to convert MBR hard drive partitions to GPT. To determine if you have UEFI on your PC you will have to access the system software of your particular motherboard.
Assuming you have met all the other Microsoft prerequisites for Windows 11, your newly converted GPT version of Windows 10 should now be ready for the October 2021 update to the next generation.