This version is completely free and open-source forever. It’s perfect for JVM and Android development [1].
If you lead an active open-source project, you can apply for a free license for your entire team [4]. IntelliJ IDEA Serial Key Download HERE
You can download the full Ultimate edition and use it without a key for 30 days to test out all features [2]. This version is completely free and open-source forever
If you have a valid university email or ID, JetBrains provides the Ultimate edition for free via their Educational Licenses program [3]. You can download the full Ultimate edition and
Getting IntelliJ IDEA for free is best done through rather than looking for serial keys, which are often unreliable or bundled with security risks. Here are the legitimate ways to access IntelliJ IDEA:
You can download "EAP" builds for free. These are pre-release versions of the software that allow you to use the latest features in exchange for helping JetBrains find bugs [5].