In terms of game file size, you will need at least 2 GB of free disk space available. Rail Recon 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 Rail Recon to its full potential. To play Rail Recon you will need a minimum CPU equivalent to an Intel Core i5-4460. Whereas, an Intel Core i7-6700HQ is recommended in order to run it. Provided that you have at least an NVIDIA GeForce GTX 460 graphics card you can play the game. Futhermore, an NVIDIA GeForce GTX 960M is recommended in order to run Rail Recon with the highest settings.
Rail Recon will run on PC system with Windows™ 7 SP1 64Bit and upwards.