TrainerVR system requirements state that you will need at least 4 GB of RAM. You will need at least 300 MB of free disk space to install TrainerVR. The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 970. To play TrainerVR you will need a minimum CPU equivalent to an Intel Core i5-4590.
TrainerVR will run on PC system with Windows 8.1 and upwards.