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16 lis 2011 · At the moment it is not possible to upgrade to Lion without first installing the App Store, and Apple hasn't announced any plan to make that available on versions older than Snow Leopard.
25 lip 2012 · You'll need to find and install a Mac OS X 10.6 DVD or 10.7 USB thumbdrive and then get the installer from the Mac App Store. The installer can't be downloaded or run from 10.5.8, and if run from a compatible OS, won't upgrade the 10.5.8 system.
Mac OS X Mountain Lion Installer. Wymagania systemowe: OS X Snow Leopard 10.6.8, Lion 10.7 lub Mountain Lion 10.8. Wielkość pliku: 4,45 GB. Pobierz. Mac OS X 10.8 Mountain Lion jest dostępny dla starszych systemów, które nie są zgodne z najnowszą wersją macOS, i wymaga następujących elementów:
17 lut 2012 · In essence the Mountain_Lion.dmg could be minimally modded to 1. remove the installer hardware checks (trivial) and 2. to include the missing drivers from Lion, and you should be able to...
28 wrz 2012 · It costs $20 to upgrade from Leopard to Snow Leopard and another $20 to go from Snow Leopard to Lion or Mountain Lion. You’ll find all versions online somewhere (Amazon, eBay, etc) but they are double or triple the price.
For earlier versions of Mac OS X, including Mac OS X Mavericks 10.9, Mac OS X Mountain Lion 10.8, Mac OS X Lion 10.7, Mac OS X Snow Leopard 10.6, Mac OS X Leopard 10.5, Mac OS X Tiger 10.4, and before, the process to obtain those installers differs a bit.
According to this page, you need to get on Snow Leopard before installing Lion. It also gives hardware compatibility requirements, which are basically that you have an Intel Core 2 Duo (note: NOT Intel Core Duo), Core i3, Core i5, Core i7, or Xeon processor in your Mac.
