An Intel Core 2 Duo U7600 CPU is required at a minimum to run Captive. Provided that you have at least an AMD Radeon HD 6250 graphics card you can play the game. You will need at least 500 MB of free disk space to install Captive. Captive system requirements state that you will need at least 2 GB of RAM.
Captive will run on PC system with Windows 7/8/8.1/10 (64bit) and upwards.