Setup for application development right click and save images for bigger version Installing Java JAVA JDK Download In my experience I have found that starting your enviroment setup with java is best. In the system variables I made a new variable called it JAVA_HOME , and I set the value to: C:\Program Files\Java\jdk1.7.0_79 . After that, I edited PATH , which is also in the system variables and I added : ;%JAVA_HOME%\bin . In command prompt enter javac -version, if you see a return message javac 1.7.0_79 or something similar you can continue, I cant tell you how important it is to get this right, just know that things will go wrong at unexpected times. Installing Android SDK ANDROID SDK download List item In the system variables I made a new variable called it ANDROID_HOME , and I set the value to: C:\Program Files (x86)\Android\android-sdk . After that, I edited path , which is also in the system variables and I added : %ANDROID_HOME/tools% %ANDROID_HOM...