https://bugs.winehq.org/show_bug.cgi?id=42302
--- Comment #3 from winetest@luukku.com --- This is a bit weird now.
Isn't windows 7 released later than vista? And if a game wants vista, windows 7 should be just fine? See picture named sp2.
I set windows version to vista and rerun battle.net and it started to complain about my prefix being just 32bit. See the other picture. Then I changed windows version back to 7 and tried to install again and I can't replicate the (sp2) screenshot anymore. It started to show 64bit requirement even at windows 7 mode now.