Linux and macOS users can also install Java inside JMRI itself, instead of installing it centrally on their computer. They provide JDKs under the 'Semeru' name. We recommend that Windows users pick the 'Windows 圆4 Installer', as it properly sets up various registry values.

The original JDK source, but this page requires you to set up a (free) Oracle account. OpenLogic only has a 64-bit version so make sure Select your OS type (Windows, macOS, Linux). Rebooting after installing is recommended. On Windows: when you run the Java installer, be sure to select the 'JavaSoft (Oracle) registry keys' option. Make sure that 'Temurin 11' is selected, then press the large 'Latest Release' button. This website refers to a Java JDK as 'Temurin', which is a bit confusing. MacOS users might find the Adoptium installer (next item) Windows users should pick the '.msi' installer, as it properly Your OS type (Windows, macOS, Linux), then if needed the computer CPUĪrchitecture (we recommend 64-bit if you have a 64-bit computer), then pick the Go to the bottom of the page, past the advertising, select Here are some places you can get Java 11. See the JMRI Setup and Install pages for more information.

It's recommended that you reboot after uninstalling before you install a new version of Java.

Alternatively, download the Oracle Java Uninstall tool and follow its instructions.

Go to Windows Settings⇒Apps, find Java 8 and click on 'Uninstall.'.

IT IS RECOMMENDED THAT YOU REMOVE OLD VERSIONS OF JAVA BEFORE YOU UPGRADE. On Windows, for example, open a 'command' window by typing 'Command prompt' into the search bar

JMRI needs a 'Java Runtime Environment' (JRE),īut will work fine with the larger 'Java Development Kit' (JDK).īefore getting a new version of Java, it is useful to check what version is currently installed We recommend using Java 11 with current JMRI versions. ZTC Controls JMRI Setup and Installation JMRI environments.Supported Hardware Devices, command stations, networks, and protocols: Our Gallery page highlights some of these.Īlso, there are many apps with JMRI connections. Train crews will perform SoundPro™ A set of tools for using Audio with JMRI Cool Uses People have used JMRI to do some great things for the model railroad community. Of your railroad and let you control it DispatcherPro™ A system for Dispatching, grouping your Roster and Throttles OperationsPro™ Build Trains from your Roster and print Train Manifests that detail the work your Install JMRI® DecoderPro® A great tool for programming decoders, simplifying the job of configuring DCC decoders from yourĬomputer PanelPro™ Design and Operate control panels that reflect the real-time state

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