The tool requires elevated privileges to modify partition tables directly. Step-by-Step Conversion Tutorial
Note the disk number (e.g., Disk 1) you wish to convert. Type exit to leave diskpart.
Obtain the latest version (typically v1.1) from SourceForge . gptgen mbr to gpt download
MBR only supports up to 2TB of disk space, whereas GPT can handle significantly more (up to 9.7 zettabytes).
MBR is limited to four primary partitions. GPT allows for up to 128 partitions. The tool requires elevated privileges to modify partition
Before downloading, it is important to understand why this conversion is necessary:
GPTGen: Your Guide to Converting MBR to GPT Without Data Loss such as C:\gptgen .
Unzip the folder to an easy-to-access location, such as C:\gptgen .