The current release of Foolcat supports macOS 10.13 and newer. This includes 12 Monterey.
It is possible to run Foolcat on macOS 10.12, but we cannot guarantee everything will work 100%. The interface experience is especially prone to degradation over time.
Foolcat does not work on macOS 10.11 or older OSs.
The current release of Foolcat supports Windows 11 & 10. It is possible to run Hedge on Windows 7, but we cannot guarantee everything will work 100%. The interface experience is especially prone to degradation over time.