If it does not show up automatically you can manually enter \IP_ADDRESS_OF_MAC\ in the Address Bar in Explorer and then enter the Username and Password - on some setups you may need to prefix the username with '\IP_ADDRESS_MAC\' You then just need to give it your username and password you use to log into the Mac. To connect to the Mac from the PC, if set correctly the Mac will show up in the Network section. button and check off 'Share files and folders using SMB'. Then check off the check box beside 'File Sharing'. To turn on File Sharing in Mac OS X, go to System Preferences and click on the Sharing Preference Pane. To turn on File Sharing in Windows, right click on the drive in My Computer and choose Sharing and Security. The simplest way is to share them just like you would share a folder on your computer.