Best answer: The client version of Windows 10 doesn’t include support to create a RAID 5 setup. It’s only available on Windows Server versions.
If you’re trying to set up a RAID 5 on Windows 10, you’ll notice that the New RAID 5 Volume option is grayed out.
Windows 10 RAID settings
Although, the option is there, it’s a feature only available in the server version of the OS. However, you can still using Stripped option to achieve a similar experience.
Windows Server RAID settings