This will install JMRI to the default location, place shortcuts for DecoderPro and PanelPro on the desktop and create a JMRI Start Menu folder containing shortcuts for typically used JMRI programs.

JMRI 5.15.4 is the next release of the current development series, containing the latest and greatest JMRI updates. The series is working toward the JMRI 5.16 production release, probably in June …

This page lists hardware and networks that JMRI is known to work with, and provides links to information on how to configure JMRI to work with each particular type.

You're not discouraged to dive in, but by taking on JMRI - or any powerful, but complex thing - one step at a time you sort of build a solid foundation that will pay for itself in due time.

The JMRI libraries contain the PanelPro application for creating panels to control or follow your (virtual) model railroad. This page introduces the application, and how to use it.

The JMRI project has compiled a lot of information about decoders from many manufacturers, which we make freely available in several forms. To learn more, see the Decoder Information page.

As of production release JMRI 5.0, JMRI is fully supported when running on Java release 11 as noted above. Some problems have been encountered while using a Java version beyond Java 11 and …

Detailed step by step JMRI Operations How-To Instructions are available on the JMRI.org site. There's also OperationsPro Wiki that contains some useful information and insight into how the program works.

This page is a start at documenting how to use JMRI on 64-bit Windows. JMRI runs in 32-bit mode, even on 64-bit Windows systems. Even after installing Java on a Windows Vista 64-bit computer, JMRI …

Jun 20, 2025 · If you are currently using JMRI 4.7.3 or earlier on Linux or macOS (Windows doesn't need this), then it's very important that you update to JMRI 4.12 and carrying out the migration …