SCS deORBIT system requirements state that you will need at least 4 GB of RAM. The cheapest graphics card you can play it on is an NVIDIA GeForce GT 610. Futhermore, an NVIDIA GeForce GTX 980 is recommended in order to run SCS deORBIT with the highest settings. In terms of game file size, you will need at least 2 GB of free disk space available. To play SCS deORBIT you will need a minimum CPU equivalent to an Intel Core 2 Duo T5200. Whereas, an Intel Pentium 4 2.00GHz is recommended in order to run it.
SCS deORBIT will run on PC system with Windows 7 and upwards. Additionally it has a Linux version.