@alex
You have to understand, that some disks are nothing more then an online installer for the service and a CD key.
So, the question is not crazy. The problem is, you simply cannot tell at this point.
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@alex
Here is en explanation:
https://www.youtube.com/watch?v=XIOxjz7bwfU
72MB on the disc.
@LukeAlmighty @alex I have the FO4 disk. It's just a steam installer. Digital code was on a piece of paper.