SteamDB is a website that tracks steam games/dlcs/soundtracks... (packages)
They made a script that adds free packages (free dlcs, and some free games) to your steam accountStep 1:
Copy and paste this link in your browser: steam://open/consoleStep 2:
Go to the SteamDB Free Packages page https://steamdb.info/freepackages/ Step 3:
Copy each line and paste it into the console one by one then hit ENTERStep 4
: Packages will be added to your steam account, enjoy https://store.steampowered.com/account/licenses/
and 12 others.