Supports both Windows and Mac personal computers * Setting up the game is easy just load the software into any PC or Mac, plug in the wireless adapter, switch on your guitar and you"re ready to rock * Guitar Praise keeps the fun coming by allowing either one player to perform in solo mode, or two players to compete for the better lead guitar score. With a second guitar (not included but available), players can jam at the same time both on lead guitar, or one on lead and the other on bass. The game"s Power Duel mode also lets players send surprises that impact their opponent"s play * includes one wireless guitar controller, a USB wireless adapter, plus the game CD-ROM. (The guitar controller requires 4 AA batteries - not included.)