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. 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. Leave the installation app in your Applications folder.ĭirect Disk Image Links for Older macOS Downloads Once any of these downloads finishes, do not open the installer to begin the installation. Obviously, don't click on any suspicious links in the reviews, and have a nice day/night.Mac App Store Links for Older macOS Downloads I notice a handful of people that come here spamming viruses and porn ads, and I feel like I'm partially responsible for reviews like that. It is version 12.6.06, and 12.6.03 was used to circumvent an error preventing me from creating the file. I changed it to 12.6.03 so when you boot up this ISO, and quicklook at the app inside you may see that it says 12.6.03. I had to modify ist () to change the app version in order for it to work. dmg file also installs the application to your Applications folder.į2 - The app used to make the ISO was downloaded prior to Sierra being invalidated from the App Store, and also prior to being added to the support article in PKG form.į3 - When using the app to build the ISO, it failed. (Keep in mind that opening and running the. app/Contents/SharedSupport (This generates the app, and I will explain how the app is used) Move InstallESD.dmg to Payload/Install macOS. pkg file was unziped using pkgutil -expand-fullĢ.

hdiutil convert /tmp/.dmg -format UDTO -o ~/Desktop/.cdrį1 - These ISOs were made using DMGs from this article.

app/Contents/Resources/createinstallmedia -volume /Volumes/ -nointeraction

hdiutil attach /tmp/.dmg -noverify -mountpoint /Volumes/.

hdiutil create -o /tmp/ -size m -volname -layout SPUD -fs HFS+J.

Click the Apple logo in the top-left corner of your screen. Once the update is finished downloading, click Download and Restart. Wait for your computer to find the update and click Update Now. Then go to System Preferences > Software Update.

Download the installer: softwareupdate -fetch-full-installer -full-installer-version. To update your Mac, click the Apple logo in the top-left corner of your screen.

Mac operating systems update