The minimum memory requirement for ATONE is 4 GB of RAM installed in your computer. You will need at least 4 GB of free disk space to install ATONE. The cheapest graphics card you can play it on is an NVIDIA GeForce GT 730M. An Intel Core i3-3217U CPU is required at a minimum to run ATONE.
ATONE will run on PC system with Windows 7+ (64-bit) and upwards. Additionally it has a Mac version.