install4j is a professional tool for building installers for multiple platforms, especially for applications that run on the Java Virtual Machine.
Main features that distinguish install4j are:
Flexible configuration of screens and actionsIn your installers you can define your own flow of installer screens and installer actions to gather user input and initialize your installation with it. Configurable form screens allow you to create arbitrary forms that work in GUI and console mode. A rich set of configurable actions handles a variety of tasks and is extensible with the API.
Generation of native launchersinstall4j generates native launchers for console, GUI and service executables. These launchers offer variety of features such as flexible module and classpath configuration, version-specific VM parameters, icons, splash screens and much more. At runtime, there is launcher API that interacts with some of these feature and with the variable system of the installer.
Auto-update functionalityThe requirements for automatic updates are very individual, so install4j offers a template-base mechanism for update-downloaders. Update downloaders are fully configurable installer applications with their own flow of screens and actions, that can handles interactive auto-update, mandatory auto-update at startup and background update.
Bundling of Java Runtime EnvironmentsBundling a Java runtime is made easy with the pre-build JRE bundles and the bundle creation tools in install4j. JRE bundles can also be downloaded on the fly if no JRE installation is found.
The "Concepts" section is intended to be read in sequence, with later help topics building on the content of previous ones. The sections at the end are optional readings that should be consulted if you need certain features.
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