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However, Apple still hosts the installer package on their servers—but only if you have a direct link from an old purchase or a special support page. Moreover, the official download is a .dmg or .app file, . An ISO is a disk image format typically needed for virtual machines (VMware, VirtualBox, Parallels) or for burning to a DVD. mac os x 1011 el capitan iso download link
: OS X El Capitan on the Mac App Store . Creating a "proper article" for this topic requires
If a download is free, easy, and pops up first on Google, you are the product—or the victim. MacBook (Early 2015 or later) MacBook Air (Mid