How do I get my two pc's to hook up so I can share files between the two?

This has been answered on quite a few other threads on the board.
Here are a few examples:
#1 (https://www.askmehelpdesk.com/computer-networks/three-computer-network-22084.html)
#2 (https://www.askmehelpdesk.com/computer-networks/connecting-two-pc-via-ethernet-21882.html)
#3 (https://www.askmehelpdesk.com/computer-networks/home-network-problems-18114.html)

Hope these help.