Launch ROES Now

If you aren't notified in a few moments of an Oracle Java download, or the automatic download fails, please download Java from their Java Download Page then refresh this page.

Windows systems

Depending on your browser ROES may not start the download and install automatically,
if it does not please click here to launch.

Mac OS X 10.7 Lion, 10.8.x Mountain Lion and 10.9 Mavericks users

Due to a recent updates to OS X and Safari, ROES may not open automatically,
if being run from this start page. Please click here to launch.

If this fails to start ROES, right-click/hold the Control key down and click here
choosing Download Linked File As... from the list that appears.

In the dialog that opens at the top, select either Documents (should appear as the default)
or Downloads if desired and save the launch.jnlp file there.
Using Finder, open Documents (or Downloads) and right-click/Control-click on the launch.jnlp, then choose Open.
In newer editions of OS X, especially 10.8 and 10.9, a new window will open to approve executing the file
(doing so will start the ROES download and install).

A video of this new start-up procedure can be found here.
Apple is now requiring Java Web Start JNLP files to be signed,which is not practical for ROES distribution
(there is not a single JNLP for all ROES to do this with).
Once this initial download and install occurs, you should receive a desktop icon to access ROES in the future.

The minimum system requirements to run ROES are Java 6 or 7, available for Windows: XP, Vista, 7, and 8; Mac OS X 10.6 or higher (OS X 10.5 will only run on an Intel based Mac with Java 6 installed). For other start-up issues and usage, please visit

NOTE: You will receive a security message pop-up to trust the application to begin. Please click OK/Allow on these to allow the needed permissions for the program. To prevent the window from coming up each time, please check the box to Always allow.

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