George as Sam said it is up to you how many you want to keep. Only thing I can add is if you are using and "Upgrade" of version 4.xx then you need to keep the last version 3.xx that you have in case you need to re-install from scratch and then just the version installed. Many who do download the updates correctly and save them keep at least a couple versions back in case something goes drastically wrong.
Sam (Mindonstrike) and myself are Beta Testers so we tend to keep everything we download for testing.
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Dale Douglass 2nd Generation Karaoke I am not a member of the MTU Staff.
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