The InstallShield Professional Edition provides publishers with a powerful and flexible solution for creating Windows (MSI or InstallScriptв„ў) and cross-platform installations. The Professional Edition introduces new functionality for keeping publishers up-to-date with the latest technologies. These include: MSI 3.1 support Simplified patch development Try and Buy functionality Create fully functional trial versions that can be instantly activated Oracle support Easily connect to Oracle database servers IIS 6.0 Support for application pools It also offers Web Service Extensions, new properties and over 20 InstallScript enhancements including 64-bit support for AMD and Intel hardware.