JHipster IDE is an Xtext DSL which provides textual editing support of JHipster Domain Language files for popular IDEs and editors such as Eclipse and Visual Studio Code.
JHipster IDE is available from the Eclipse Marketplace. Just open the marketplace dialog in Eclipse (Help > Eclipse Marketplace...) and search for JHipster.
Go to extension marketplace, search for jhipster and install.
This extension is deprecated and will not be maintained anymore! Please use VisualStudio Code with the JHipster IDE extension instead.