The cheapest graphics card you can play it on is an NVIDIA GeForce 6100. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Total 15. Total 15 system requirements state that you will need at least 4 GB of RAM. In terms of game file size, you will need at least 30 MB of free disk space available.
Total 15 will run on PC system with Windows 7 or higher and upwards.