JMRI 4.2 and later will work on any macOS or MacOS X version back to 10.7.3 Lion (2012). Now, on to the show: Installing JMRI on your macOS computerĭetermine if your system software is compatible with the current releases of JMRI:įind the current macOS version number by choosing 'About this Mac' from the Apple menu.
MacOS X install instructions for older JMRI releases. If you have an older machine and need to install an earlier release (such as JMRI These directions are for installing the latestĤ.x releases of JMRI® on current macOS computers. Download and install JMRI® JMRI Setup and Installation JMRI environments.
