Red Forest system requirements state that you will need at least 1 GB of RAM. If possible, make sure your have 2 GB of RAM in order to run Red Forest to its full potential. The cheapest graphics card you can play it on is an NVIDIA GeForce 6100. But, according to the developers the recommended graphics card is an NVIDIA GeForce GTX 960. An Intel Core 2 Duo E4600 CPU is required at a minimum to run Red Forest. In terms of game file size, you will need at least 1 GB of free disk space available.
Red Forest will run on PC system with Windows XP, 7, 8, 10 and upwards.