"Progress" can be "advance", "develop", "progress". develop.
Continuing through the text. Next sentence: "Are you excited to dive into the world of Burger Shop, the popular mobile game where you get to run your own burger shop? Congratulations on taking the first step! To get started, you’ll need to activate your game using a Burger Shop activation code. In this article, we’ll walk you through the process of finding, entering, and redeeming your activation code, as well as provide some helpful tips and troubleshooting advice." Burger Shop Activation Code
Software packaging: Check the package and wrapping that one's app arrived with. This activation code often printed on a tag or given on a unique sheet. "Progress" can be "advance", "develop", "progress"