You will need at least 200 MB of free disk space to install Aztec Tower. The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 970. Aztec Tower system requirements state that you will need at least 4 GB of RAM. An Intel Core i5-4590 CPU is required at a minimum to run Aztec Tower.
Aztec Tower will run on PC system with Windows 7 SP1 and upwards.