Impressive. Most impressive. Apple today highlighted Mountain Lion sales in a press release, with three million downloads delivered via the Mac App Store in just four days. This represents "the most successful OS X release in Apple's history."
Technically "downloads" don't directly equal sales, as some small number of customers may have downloaded OS X on more than one eligible Mac. You don't need to do that, though -- just cancel out of the initial install, then copy the Install OS X Mountain Lion multigigabyte application over to the other Mac by removable media or AirDrop. You can also
