Kalaban system requirements state that you will need at least 2 GB of RAM. If possible, make sure your have 4 GB of RAM in order to run Kalaban to its full potential. The cheapest graphics card you can play it on is an NVIDIA GeForce 6200. But, according to the developers the recommended graphics card is an NVIDIA GeForce 8500 GT. To play Kalaban you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. In terms of game file size, you will need at least 1 GB of free disk space available. By contrast, the game developers recommend somewhere around 2 GB of free disk space on your system drive.
Kalaban will run on PC system with Windows 10, 8.x, 7, Vista, XP and upwards.