qASIC is a collection of simple well integrated tools that allow you to make and debug games quicker. It takes care of the basics while you focus on your game. During development it can help you debug and fix problems on the spot without having to make temporary buttons or keyboard shortcuts.
If you want to download it from the Asset Store: add it to you assets, open it up in the Unity Package Manager and import.
When downloading from github, locate the newest release and under assets click on the
.unitypackage file. After downloading simply drag the package to your project and wait until qASIC gets imported.
Script templates will not appear until you restart the editor!