If this is intended to be a secondary drive (not C:):
Right click the Start button, Disk Management. If prompted, set up the disk as GPT.
Right click the unallocated space, create a new simple volume, and basically spam next until it's made.
If this is going to be your primary (C:):
Is your current primary an SSD or not?
If yes, use a disk cloning tool.
If no, I'd suggest clean installing Windows on that new SSD. (unplug other drives first.)