Provided that you have at least an NVIDIA GeForce 510 graphics card you can play the game. To play 21 Days you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. The minimum memory requirement for 21 Days is 4 GB of RAM installed in your computer.
21 Days will run on PC system with Windows XP/Vista/7/8/10 and upwards. Additionally it has a Mac version.
