Visualware's products are Java based, and require a Java VM (Virtual Machine). Refer to the requirements above for the minimum JVM required for your platform. It is strongly recommended that you keep your Java VM up to date by installing the latest version available for your platform. Subtle bugs are constantly being fixed, and new versions often have speed improvements over previous Java VM's.
Sun Java VM:
Download and install the latest J2SE (Java 2 Platform, Standard Edition) JRE (Java Runtime Environment) for your platform, http://www.java.com/en/download/manual.jsp
To check if you already have Sun's JVM installed, or to find the version number:
Open a DOS prompt and type java -version [enter]. If Sun's JVM is present it will give you a version number, or
Go to http://java.com/en/download/help/testvm.jsp
Linux Java VMs: Any of the VMs listed below may be used. Other versions or vendors are not supported at this time.
Sun (1.2.2) http://java.sun.com/getjava/manual.html
Blackdown (1.1.8, 1.2.2, 1.3.1) http://www.blackdown.org/java-linux/mirrors.html
IBM (1.1.8, 1.3.0), http://www.ibm.com/developerworks/java/jdk/