Obviously, don't click on any suspicious links in the reviews, and have a nice day/night. 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.

But after the download completes and the installer starts, don’t click on the Continue button button. Click Get button in the upper-right corner, and the Software Update system preference will open. (Keep in mind that opening and running the. Get the macOS Big Sur installer software Big Sur is available through Apple’s App Store. app/Contents/SharedSupport (This generates the app, and I will explain how the app is used) Turn on the Mac and continue to hold the power button until you see the startup options window, which displays your bootable volumes. 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.

Download the installer: softwareupdate -fetch-full-installer -full-installer-version.

Mac os big sur installer