An Intel Core 2 Duo T7250 CPU is required at a minimum to run Ostranauts. In terms of game file size, you will need at least 500 MB of free disk space available. The minimum memory requirement for Ostranauts is 4 GB of RAM installed in your computer. The cheapest graphics card you can play it on is an Intel HD 4600.
Ostranauts will run on PC system with Windows 7 SP1+ and upwards.