Mac users who have the Lion Golden Master developer seed installed may get the following message when trying to download Mac OS X Lion from the Mac App Store: “A newer version of this app is already installed on this computer.” If you want to download the official App Store version anyway, just hold down the Option-Key (Alt-Key) while clicking “Buy App”. The App Store will skip the version check and download Lion right away.
App Store Refuses Lion Download
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OK, can download doping that, but then still can’t actually install – get the same message. Anyway to overcome this ?
Did you find a way in the end to install Lion? You can try by creating your own Lion boot disc or USB stick!
Just wanted to say thanks !!
Fixed the problem