Once you’ve purchased your Diablo 4 key, the next step is to redeem it on your chosen platform. Here’s a quick guide on how to do it: PC (Battle.net): If you’re playing on PC, you’ll redeem your key through Blizzard’s Battle.net launcher. After logging into your Battle.net account, navigate to the "Games" section, select "Redeem a Code," and enter your Diablo 4...