The cheapest graphics card you can play it on is an NVIDIA GeForce 6150SE. But, according to the developers the recommended graphics card is an NVIDIA GeForce GTX 460. Vegas Party system requirements state that you will need at least 4 GB of RAM. If possible, make sure your have 8 GB of RAM in order to run Vegas Party to its full potential. To play Vegas Party you will need a minimum CPU equivalent to an Intel Core 2 Duo U7600. However, the developers recommend a CPU greater or equal to an Intel Core i5-650 to play the game.
Vegas Party will run on PC system with Windows® Vista/7/8 with latest service packs and upwards.