Right click each drive in Disk Management and choose Format.
Windows assigns drive letters arbitrarily and they are of no importance as to drive function.
You can however change them if you so desire again in Disk Management.
Your original image/list is unusual as you have all the drives listed as both System and Basic/unallocated.
The only System drive should be C: or your System Root.
Additional drives should just be Healthy & NTFS.
You cannot build RAID arrays within Windows. This is done on installation or via third party software.
That being said I do not know how you set these three drives as System as they should not be.
Personally I would start all over and just format the new drives via Disk Management.
Or use third party software to perhaps expedite the process.
You could also use a third party tool such as GParted if you want to work outside of Windows:
GParted
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Anyway if you use GParted: Save this download:
SourceForge.net: Downloading ...
This is an ISO file. You will need an ISO burning program to burn it. It cannot be burnt as data as it is an image.
If you use Nero there is an option called "Create Disk Image".
If you do not have Nero you can use this free program:
ISO Recorder v 2
This will add the burning option to your right click options or shell.
With Nero just point it to the downloaded ISO. With the other recorder just right click the ISO and choose Burn Disk Image.
A new blank CD is required.
After the burn this CD will be a boot disk and will boot GParted.
Verify that your CD drive is set to boot prior to the hard drive and boot the CD.
There are some basic tutorials on the functions and use of GParted here:
GParted -- Documentation
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931.51 GB NTFS
