Start by turning off the caps lock.
Start, Settings, Administrative Tools, Computer Management, click on Disk
Management.
You can't be a limited user to work with your disks.
Your hard drive(s) must have unallocated space or more than one partition.
If only one partition and no unallocated space, then you need a third party
program.
If unallocated space, right click, Create partition.
If another partition, move any data to another partition, delete the
partition, create two partitions.........