In terms of game file size, you will need at least 1 GB of free disk space available. An Intel Pentium 4 2.40GHz CPU is required at a minimum to run Robo Do It. The cheapest graphics card you can play it on is an NVIDIA GeForce 7200 GS. Robo Do It system requirements state that you will need at least 2 GB of RAM.
Robo Do It will run on PC system with Windows XP SP2 and upwards. Additionally it has Mac and Linux versions.
Minimum System Requirements
CPU
2.8 GHz or faster processor
RAM
2 GB RAM
OS
10.8.1 or above
Graphics Card
1024x768 or greater desktop screen resolution (Intel hd 3000 or comparable)