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A Java Runtime Environment is required to run jOrgan on any operating system. The Java Runtime on Windows is available for installation in two ways, online and offline. We recommend the offline installer available at However, be aware that the Java version you use has to be compatible with the jOrgan version you use, including the bitness (32 or 64 bits) of both programs. These details are kept up to date on the STARTING page of the jOrgan Discovery website, which recommends choosing the Java version before installing jOrgan. You should also consider the guidance given immediately above the “DOWNLOADING AND INSTALLING” heading.


jOrgan java application should run flawlessly on Windows XP, Vista and 7, and following. Guidance as to which installer you should use is given in the jOrgan Discovery Website, using this link - . The various installers are listed here -

Download the installer and start it with a mouse double-click.


Optional Virtual Midi Devices may be necessary to connect jOrgan to other wikipedia:Midi programs:

MIDI-OX is an optional Midi stream processor application which allows you to view and process raw Midi data, especially if you need to do some trouble-shooting. It is helpful when trying to determine what Midi channels and signals your controller device is generating. This makes it easier to configure jOrgan properly.


Some audio programs (e.g. software sound generators) require an wikipedia:ASIO driver to be able to link their sound output to your sound card. The ASIO 4 All driver is fairly easy to install and use, and has proven to work well with most sound cards.