Borderlands 3 Golden Key

Golden Key Code Redemption:

You will need to create a Gearbox Shift Account: SHiFT

From that point, you will be able to redeem their Golden Keys via the SHiFT Website or in-game.

Golden Key (Borderlands 3)

Borderlands players know that Golden Keys are precious, as they're the only way to open the Golden Chest found in each game's hub area. Opening the Golden Chest grants you a random assortment of powerful gear that's always appropriate for your current character level. To use your Golden Keys, look for the Golden Chest in Sanctuary III