How to install to install IntelliJ IDEA
IntelliJ IDEA is a cross-platform IDE that provides consistent experience on the Windows, macOS, and Linux operating systems.
IntelliJ IDEA is available in the following editions:
Community Edition is free and open-source, licensed under Apache 2.0. It provides all the basic features for JVM and Android development.
IntelliJ IDEA Ultimate is commercial, distributed with a 30-day trial period. It provides additional tools and features for web and enterprise development.