Macbook update high sierra4/27/2023 ![]() There might be old copies of Lion, Mountain Lion, and even Snow Leopard for sale on sites like eBay. Non-developers can buy OS X Mountain Lion ($19.99) and OS X Lion ($19.99) from Apple directly. Apple will email you an unlock code, which you can redeem in the Mac App Store. Input the following command and press Enter: softwareupdate -l Wait as your Mac searches Apple's servers for any macOS software updates currently available for your system. If you have a valid Apple Developer account, you might be able to download older versions from /downloads. This will put an installation app in your Applications folder, which you should leave there. ![]() Once any of these downloads are complete, mount the. Are there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. Some or many of the Application already installed may required update or upGrades to 64 Bit Versions. Leave the installation app in your Applications folder.ĭirect Disk Image Links for Older macOS Downloads Suggest using Go64 to find 32 bit application before attempting the upGrade. Once any of these downloads finishes, do not open the installer to begin the installation. ![]() Mac App Store Links for Older macOS Downloads
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