Hello i have a pc desktop computer with wireless internet router setup next to it and i have a macbook pro. I wanted to network the files on the desktop computer with the macbook pro. pc desktop is a sony vaio running windows and the macbook pro has both os x and windows but i prefer using mac os. Please give me step by step on how to network the computers together because i have a external harddrive that is connected to the desktop computer and i want to tap into that external harddrive and get files from the hdd onto my macbook pro ! need help please thanks!