The minimum memory requirement for Silo 2 is 512 MB of RAM installed in your computer. Additionally, the game developers recommend somewhere around 1 GB of RAM in your system. To play Silo 2 you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. However, the developers recommend a CPU greater or equal to an Intel Core 2 Duo E8400 to play the game. The cheapest graphics card you can play it on is an NVIDIA GeForce 6100.
Silo 2 will run on PC system with Windows 7 or better and upwards. Additionally it has a Mac version.