In terms of game file size, you will need at least 2 GB of free disk space available. To play Under Zero you will need a minimum CPU equivalent to an Intel Core 2 Duo U7600. Whereas, an Intel Core i3-530 is recommended in order to run it. The minimum memory requirement for Under Zero is 2 GB of RAM installed in your computer. If possible, make sure your have 4 GB of RAM in order to run Under Zero to its full potential. The cheapest graphics card you can play it on is an NVIDIA GeForce 8500 GT. But, according to the developers the recommended graphics card is an AMD Radeon HD 5450.
Under Zero will run on PC system with Microsoft® Windows® XP / Vista and upwards.