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:
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 "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]. Getting IntelliJ IDEA for free is best done