: You must first have the EP1 Update (v1.1.638.0) installed before applying the 640 patch.
If you are actually trying to patch your game, here is what you need to know: simcity 4 deluxe edition v11640 patch link
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, you likely have the Steam or GOG version, which is already fully patched and does need these files. , you only need the Buildings Update (1.1.640) Install EP1 First : If your version is lower than 1.1.638, you : You must first have the EP1 Update (v1