Cloning a hard drive on a Mac is a different process. If you have a newer MacBook or iMac, you can't swap out the hard disk ...
You can partition a hard drive with Windows' Disk Management utility by shrinking the existing partition and formatting the new unallocated partition.
Virtual memory, also known as a Page file, adds to the physical RAM by using disk space. However, moving the page file to a secondary SSD can help free up space if you run out of space on the primary.