(Please bear in mind that I mean what I put on the title. I am also learning this right now and whatever I learn, I post it on this blog.) First job is to set up your device. I use a windows 10 computer. Lets assume that our computer has nothing. We have to set it up from scratch. Firstly we need to have java installed on our computer. Go ahead, search java 8 on google. Use this link to download java. Check your windows bit version ( This PC -> Properties . Check System Type under System section). Install it. (One noob advice, don't install java 10 😉) Next thing you need is to set up you computers environment. Go to Control Panel -> System and Security -> System . Click on Advanced system settings . Click Environment Variables... You will see a window like this. In the system variables section, find a variable named Path, select it, click on Edit Click New, add these two location "C:\Program Files\Java\jdk1.8.0_171\bin" and "C