- Java SE Runtime Environment (JRE)/Java SE Development Kit (JDK) v.5 or later, and one of the following operating systems:
- Windows® (2000, NT 4.0 or higher, XP), or
- Linux/UNIX-based OS, or
- Macintosh OSX™
- Apache Tomcat 6.0
- Mozilla Firefox 2.0 or , Internet Explorer 7.0 or Safari 3.0 for accessing the License Server control panel
- IntelliJ IDEA 7.0 or higher (or a compatible build of IntelliJ IDEA 6.0, which is available upon request). You can have earlier versions on your network, but you cannot manage them using License Server.