Terror Lab system requirements state that you will need at least 2 GB of RAM. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Terror Lab. The cheapest graphics card you can play it on is an NVIDIA GeForce GT 240. In terms of game file size, you will need at least 1 GB of free disk space available.
Terror Lab will run on PC system with Windows 7/8/8.1/10 and upwards. Additionally it has Mac and Linux versions.