JetBrains IntelliJ IDEA v28.0.48 Premium JetBrains IntelliJ IDEA is a powerful IDE for Java development that offers advanced coding assistance, debugging, and testing tools. It supports a wide range of programming languages and frameworks, making it a versatile choice for developers. Installation: 1. Download the setup file. 2. Run setup.exe as Administrator. 3. Follow the on-screen instructions to complete the installation.