To play ModLab you will need a minimum CPU equivalent to an Intel Core i5-750. ModLab system requirements state that you will need at least 1 GB of RAM. If possible, make sure your have 2 GB of RAM in order to run ModLab to its full potential. The cheapest graphics card you can play it on is an AMD Radeon HD 7850. But, according to the developers the recommended graphics card is an NVIDIA GeForce GTX 660. In terms of game file size, you will need at least 1 GB of free disk space available.
ModLab will run on PC system with Windows Vista or later and upwards.