The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 970. Futhermore, an AMD Radeon RX 480 is recommended in order to run CoLab with the highest settings. You will need at least 2 GB of free disk space to install CoLab. To play CoLab you will need a minimum CPU equivalent to an Intel Core i5-4590. CoLab system requirements state that you will need at least 4 GB of RAM. If possible, make sure your have 8 GB of RAM in order to run CoLab to its full potential.
CoLab will run on PC system with Windows 7 SP1 and upwards.