To play Flairtender you will need a minimum CPU equivalent to an Intel Core i5-4590. Flairtender system requirements state that you will need at least 4 GB of RAM. You will need at least 300 MB of free disk space to install Flairtender. By contrast, the game developers recommend somewhere around 500 MB of free disk space on your system drive. The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 970. But, according to the developers the recommended graphics card is an AMD Radeon RX 480.
Flairtender will run on PC system with Windows 7 SP1 and upwards.