An Intel Core i5-4590 CPU is required at a minimum to run 18 Floors. 18 Floors system requirements state that you will need at least 4 GB of RAM. Provided that you have at least an NVIDIA GeForce GTX 970 graphics card you can play the game. You will need at least 5 GB of free disk space to install 18 Floors.
18 Floors will run on PC system with Windows 7 and upwards.