-Click to load up game.
-The menu where you load up game or start a new game, there is a Settings section, click that.
-Click on Display
-In the lower left corner, there should be your version number
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May be another way, but this is the only method I know to find it
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[edit] MystykStar beat me to the info, how is that for "Glad every climbs over each other to help" lol