What are you trying? What are your results? What else have you tried.
Basically, if both computers are on the same network you turn on File Sharing for both, making sure to enable SMB sharing on your Mac. Then make sure nothing is getting in the way -- firewalls on the computers or in the network router.
There are a million things to consider, so you have to troubleshoot and experiment in many cases.
What are you trying? What are your results? What else have you tried.
Basically, if both computers are on the same network you turn on File Sharing for both, making sure to enable SMB sharing on your Mac. Then make sure nothing is getting in the way -- firewalls on the computers or in the network router.
There are a million things to consider, so you have to troubleshoot and experiment in many cases.