https://www.gamespot.com/articles/fortnite-season-4-get-free-battle-pass-star-with-w/1100-6458711/

Fortnite Season 4 is officially underway, which means there's a new Battle Pass and accompanying weekly challenges are also available. There's a few new wrinkles for this season, but the challenges otherwise work as they have in the past. That said, there is a secret hiding in the Week 1 challenges that is worth tracking down if you're eager to level up and get your hands on the coveted Omega skin as fast as possible.