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Download Older OS Installers

Download Older OS Installers

Older Mac operating systems can be downloaded if you know the correct URL. Here is a list of old Mac operating system installers I have found...

Download Mac OS X Snow Leopard:
http://adcdownload.apple.com/Mac_OS_X/mac_os_x_version_10.6_snow_leopard_build_10a432/mac_os_x_v10.6_build_10a432_user_dvd.dmg

Download Mac OS Leopard:
http://adcdownload.apple.com/Mac_OS_X/mac_os_x_v10.5_leopard_9a581/leopard_9a581_userdvd.dmg

Mac OS X Lion 10.7:
https://support.apple.com/kb/DL2077?locale=en_US

Mac OS X Mountain Lion 10.8:
https://support.apple.com/kb/DL2076?locale=en_US

OS X Yosemite 10.10:
https://support.apple.com/kb/HT210717

OS X El Capitan 10.11:
https://support.apple.com/kb/HT206886

macOS Sierra 10.12:
https://support.apple.com/kb/HT208202

macOS High Sierra 10.13:
https://support.apple.com/kb/HT208969

macOS Mojave 10.14:
https://support.apple.com/kb/HT210190

macOS Catalina 10.15:
https://support.apple.com/kb/HT201475