MAKE SURE YOU HAVE JAVA 8 JDK INSTALLED PROPERLY
Clone the Repo to a FRESH directory
open CMD and change the directory to the main repo folder "GeothermalMod"
run the command "./gradlew.bat setupDecompWorkspace eclipse"
in eclipse click File > Switch Workspace > Other
Create a new folder for your workspace (NOT GeothermalMod folder)
select it and click ok
click File > Import > Gradle > Existing Gradle Project > Next > Next
Click browse and select the GeothermalMod repo folder and click OK
Click finish
The project should now show up!