Right click on "My Computer" Icon and select Manage, then disk management. You can add/delete/re-letter partitions/drives from there on all your drives/partitions except for the drive/partition that has your O/S on. j.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
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