Barbara-ian system requirements state that you will need at least 4 GB of RAM. To play Barbara-ian you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. Provided that you have at least an NVIDIA GeForce 7100 / nForce 630i graphics card you can play the game. You will need at least 500 MB of free disk space to install Barbara-ian.
Barbara-ian will run on PC system with Vista/Win7/8 and upwards. Additionally it has a Mac version.
Minimum System Requirements
CPU
2Ghz or faster
RAM
4 GB RAM
OS
MAC OS 10.9.5 (Mavericks) or newer
Graphics Card
At least 512MB of dedicated VRAM, and Shader Model 5.0 support