FlowDot system requirements state that you will need at least 4 GB of RAM. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run FlowDot. You will need at least 65 MB of free disk space to install FlowDot. The cheapest graphics card you can play it on is an NVIDIA GeForce 7100 / nForce 630i.
FlowDot will run on PC system with Windows Vista SP1+ and upwards.