It can be quite an adventure networking an Amiga to a PC. I have got as far as being able to access my Amiga from my PC, I still can't access my PC from my Amiga. First you will need a TCP/IP stack, such as Miami, or AmiTCP, then you will need the Samba package. Setting up Samba can be quite a challenge, especially if you don't have any networking experience. The documentation for Samba is not the greatest. If you want to try this I will give you as much help as I can.
Ed King