Eric, we can try helping ..

but first you will need to go over this link -the install and upgrade section, in this section load the pdf which will provide step by step initial configuration , you will learn more by reading it and do it- once you get the inside LAN interface configured you can use the the gui interface which will be any web browser.. once you have IP connectivity from your LAN to the device (the inside interface)then we can help you fruther down on what you would like to implement RA MS PPTP/Ipsec/L2L etc..

http://www.cisco.com/en/US/products/hw/vpndevc/ps2284/tsd_products_support_eol_series_home.html

vpn 3k geting started

http://www.cisco.com/en/US/products/hw/vpndevc/ps2284/products_getting_started_guide_chapter09186a00800bd913.html

Regards