The cheapest graphics card you can play it on is an AMD Radeon HD 5450. An Intel Core 2 Duo U7600 CPU is required at a minimum to run Star Destroyer. In terms of game file size, you will need at least 50 MB of free disk space available. Star Destroyer system requirements state that you will need at least 4 GB of RAM.
Star Destroyer will run on PC system with Windows 7 or newer: 32bit / 64bit and upwards.
Show Star Destroyer system requirements on your site