You will need at least 120 MB of free disk space to install Poly Island. Poly Island system requirements state that you will need at least 512 MB of RAM. The cheapest graphics card you can play it on is an NVIDIA GeForce 6200. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Poly Island.
Poly Island will run on PC system with Windows XP,7,8,10 and upwards. Additionally it has a Mac version.