To play Katie you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. Whereas, an Intel Core 2 Duo E6850 is recommended in order to run it. In terms of game file size, you will need at least 150 MB of free disk space available. The cheapest graphics card you can play it on is an NVIDIA GeForce 510. Katie system requirements state that you will need at least 2 GB of RAM.
Katie will run on PC system with Windows 7, 8/8.1, 10 and upwards. Additionally it has a Mac version.