1. I Downloaded JDK 8(latest version), Downloaded Forge for minecraft 1.8.9 and Downloaded Eclipse
2. I made an enviroment called "JAVA_HOME" and set the value to C:\Program Files(x86)\Java\jdk1.8.0_311
3. I ran 'gradlew setupDecompWorkspace eclipse --debug'(becuase it didnt run for me without debug mode on)
4. i ran 'gradlew eclipse'
4. I opened eclipse in the eclipse folder inside the mod folder