People search for this specific version for a few reasons:
Wait, am I missing anything? Maybe mention that even if the key works once, it could be revoked later. Also, note that some keys are region-locked or have other restrictions. Maybe include steps to validate a key in Steam. Oh, and maybe mention that the link "14048" isn't a standard format for URLs, so perhaps the user confused the product key with a link. Maybe they found a link that claims to give a product key, which is part of the problem. ets2 14048 product key link
: If you own ETS2 on Steam, you can revert to version 1.40 by right-clicking the game in your library, selecting Properties > Betas , and choosing the desired version from the dropdown menu. People search for this specific version for a