You will need at least 2 GB of free disk space to install Once'. The minimum memory requirement for Once' is 4 MB of RAM installed in your computer. If possible, make sure your have 8 MB of RAM in order to run Once' to its full potential. To play Once' you will need a minimum CPU equivalent to an Intel Core i3-530. Whereas, an Intel Core i3-540 is recommended in order to run it. Provided that you have at least an NVIDIA GeForce GT 625M graphics card you can play the game. But, according to the developers the recommended graphics card is an NVIDIA GeForce GTX 650 Ti.
Once' will run on PC system with Windows 7 and upwards.
