Recap
In the first chapter, you learned the difference between Unreal Engine versions. As I have mentioned, the launcher version is a binary version compiled by Epic and is ready for you to use. But, if you want to get the latest build that is not yet available through launcher, then your only choice is getting the source code from GitHub. If you are going for the source code version of Unreal Engine then I recommend getting the source from the promoted branch. Epic works hard on the promoted build for their artists and designers, so most of the time it is updated daily and you get the latest stuff too! if you really want to get your hands dirty or you have that urge to grab the latest and the most cutting-edge build, then you should go for the master branch. Keep in mind that this branch tracks live changes directly from Epic, it might be buggy and it might even fail to compile.
Once you get the engine up and running, you can start importing your assets into Content Browser. This is where...