How do I upgrade a project?
The option to upgrade a project is reachable from the toolbar, under Home -> Options -> Project Type.
Downgrading a project is not supported.
Can I include a JRE in my installation package?
Yes, this feature is available in Advanced Installer Professional edition or higher. The JRE can be either downloaded and installed on demand or bundled with your application.
Can I run packages one after another?
Yes, this can be done by using Prerequisites or chained packages. Note that a chained installation will work only on systems which have Windows Installer 4.5.