iDancer system requirements state that you will need at least 4 GB of RAM. The cheapest graphics card you can play it on is an NVIDIA GeForce 510. To play iDancer you will need a minimum CPU equivalent to an Intel Core 2 Duo E8400. You will need at least 10 GB of free disk space to install iDancer.
iDancer will run on PC system with Windows 7 and upwards.