Provided that you have at least an NVIDIA GeForce GTX 970 graphics card you can play the game. But, according to the developers the recommended graphics card is an NVIDIA GeForce GTX 1060. To play RIFF VR you will need a minimum CPU equivalent to an Intel Core i5-650. Whereas, an Intel Core i7-7Y75 is recommended in order to run it. RIFF VR 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 RIFF VR to its full potential. You will need at least 4 GB of free disk space to install RIFF VR.
RIFF VR will run on PC system with 7 and upwards.