There are several reasons why you may wish to install Windows. You may have either bought the latest version, or a new system without an OS. However, at times this process doesn’t go as planned, and you end up encountering the “Windows 10 can’t be installed on GPT partition” error. If you are facing this issue, then do not worry. Check out the solutions given below.

Check the Disk Partition Type

You should pursue these guidelines provided below:

Navigate to the Windows Search section on your system.
Thereafter, input ‘diskmgmt.msc’ into it and select the OK button.
In the Disk Management screen, select ‘Disk 0’ and right-click on it.
You should click on the Properties option.
Reach the tab of Volumes- the disk type will be shown beneath the Partition style.
Check if it is correct or not.

Backup the Data

You should pursue these guidelines provided below:

Go to the Windows icon, right-click on it and choose Settings.
After that, click on the ‘Update & Security’ option.
You should choose the Backup option on the left side.
Also, you can use a secondary drive to back up the files.
Optionally, you should make use of the in-built OneDrive in case the data you would like to store is less than 5 GB.
Choose the Legacy BIOS Boot Mode

You should pursue these guidelines provided below:

First of all, restart the system and keep holding the ‘F8, F12, Del’ keys.
After reaching in BIOS mode, select the tab of Boot by using the keyboard.
You should choose the Boot Mode and hit the Enter key.
Now, choose the Legacy settings via down and up arrows.
If you have a reverse issue, you can turn on the UEFI mode and then attempt to reinstall Windows.
Using Different Installation Media Type

You should pursue these guidelines provided below:

Navigate to the Microsoft site and download the Windows 10 installation media.
Once you have downloaded it, run the installer by double-clicking on it.
You have to agree to the Terms and Conditions and then select the Next button.
Go to the ‘Create installation media (USB flash drive, DVD, or ISO file) for another PC’ option and select the Next button.
You should select the ‘USB flash drive’ and don’t forget to connect the USB to the system.
Finally, following the on-screen steps, and when you get the option to choose the partition style, click on the UEFI.
“Windows 10 cannot be installed on a GPT partition” is amongst the most common errors that might occur during Windows installation. To fix this error, simply follow the solutions mentioned above.

source :- https://dpioneer.com/how-to-fix-windows-10-cant-be-installed-on-the...