VR Drivers system requirements state that you will need at least 8 GB of RAM. If possible, make sure your have 16 GB of RAM in order to run VR Drivers to its full potential. The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 970. But, according to the developers the recommended graphics card is an NVIDIA GeForce GTX 1070. To play VR Drivers you will need a minimum CPU equivalent to an Intel Core i5-6400. Whereas, an Intel Core i7-7700 is recommended in order to run it. You will need at least 2 GB of free disk space to install VR Drivers.
VR Drivers will run on PC system with Windows 7 64 bit and upwards.