Users expect a simple .dmg file—a disk image they can download, drag into applications, and install. However, Apple has moved away from distributing this tool as a standalone DMG file for most users. This article will explain everything you need to know: why the DMG is rare, where to find the official installer, and how to get the legacy DMG version if you absolutely need it. Historically, Apple distributed its pro apps and utilities via DMG files hosted on developer.apple.com or via Software Update. However, with the introduction of the Mac App Store in 2011 and the shift towards a unified update mechanism, Apple changed its strategy.
A common search query that appears in forums and help desks is:
However, if you are a developer or an IT administrator managing offline or legacy systems, the is your only official source for the DMG. Bookmark it, sign in with your Apple ID, and download directly from Apple’s servers.