So lets began with the method-
1-Open cmd while installing the windows. You can open cmd by pressing Shift + F10 in between the installation.
2- Type Diskpart and press enter.
3- Type List disk and again press enter.
4-Now number of disks will be shown on your screen.Type "Select disk #". Here # means the numeric digit that is given to your disk.
5- Type "clean" and press enter.
Note- This command will wipe out all the data on your hard disk.
6- Now you have to type "convert gpt" and press enter.
Remember- If you want to convert from GPT to MBR then you have to type "convert mbr".
Congratulations you have changed your partition type from MBR to GPT.
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