When you try to reinstall Windows, you can receive an error “Windows cannot be installed on this disk.
On MBR disk, you will usually see 2 or 3 primary partitions along with a few logic partitions located in an extended partition. MBR disk only supports up to 4 primary partitions while GPT disk allows you to have up to 128 primary partitions. In Windows, the maximum capacity of GPT disk is 256TB, which is more than enough for many cases. If you have a larger than 2TB disk, you will see the space beyond 2TB as unusable it initiated as MBR disk type. Luckily, you can free convert MBR to GPT without losing data or affecting your system. Besides, there are a few cases, you have to use GPT partition style instead of MBR.
There are many advantages in using GUID Partition Table (GPT) over Master Boot Record (MBR).
