00:00Let's see how to check whether your disk is MBR or GPT.
00:03First, press Windows key plus X.
00:06Open Disk Management.
00:07Find the disk you want to check.
00:09Right-click the disk label on the left side, such as Disk 0.
00:13Select Properties.
00:14Open the Volumes tab.
00:15Look for Partition Style.
00:17Windows will show either Master Boot Record or GWID Partition Table.
00:21This is a simple way to identify the partition style without changing anything on the disk.