The below blog is still great and use it if you like However Heroic Games launcher https://github.com/Heroic-Games-Launcher/HeroicGamesLauncher for Gaming, Browsing the marketplace, and https://github.com/AchetaGames/Epic-Asset-Manager Epic Asset manager for Adding owned assets (vault) to your own project, and launching the engine (Dont download the engine from EAM prebuilt binaries as they are slow, simply compile the engine). This is my workflow and I highly recommend checking those out.
Please take a look at my posted blog on gamedev.tv