So first of all, I tried to test some of the classic demos like Elemental, the Cave, Temple etc…and realise that they were nowhere to be seen, so I search for packages but they’re only for windows (I’m on a Mac), but most important than the demo to get a grip, have examples and test UE4 I was search…

In the Epic Launcher, click on Learn, then scroll down to Engine Feature Samples, and you should find Content Examples waiting for you to download to your library. Hope this helps.