: Apple provides a disk image (.dmg) for older versions. You can download the macOS Sierra 10.12 installer directly from their support site.
You can ask someone with an older Apple ID (created before 2018) to log into your Mac temporarily, download Sierra, then log out. download macos 1012 sierra full
The full version of macOS 10.12 Sierra has a download size of approximately 5.2 GB. The download time may vary depending on your internet connection speed. : Apple provides a disk image (
For those comfortable with Terminal, Apple’s command line tool can fetch the full installer: download macos 1012 sierra full
Generally, no. While some archived DMGs are legitimate, there is no guarantee they haven’t been tampered with. Stick to the Terminal or patcher tool method.