You must meet the following requirements:
JDK8u40 as a minimum
You may used the included gradle wrapper script if you don’t have
Download Gradle from http://gradle.org/downloads
Unzip the file into a directory without spaces (recommended).
Create a GRADLE_HOME environment variable that points to this directory.
Adjust your PATH environment variable to include $GRADLE_HOME/bin (%GRADLE_HOME%\bin on Windows).
Test your setup by invoking
GDub is a wrapper script that facilitates invoking gradle tasks anywhere within a Gradle project. It’s smart enough to use the gradle wrapper if available or your global gradle command. This is an optional download.
Follow the instructions found at https://github.com/dougborg/gdub to install gdub
Make a full build issuing
To create an IntelliJ Idea project, run
./gradlew clean idea
Make sure to install the Lombok plugin
Check that annotation processing is enabled (should be if you created the plugin with the above command).