https://fastfilesyphe.web.app/download-old-versions-of-macos-xag.html
15 Dec 2019 As of 2016/03/01 package binaries for R versions older than 2.12.0 are only available from the CRAN archive so users of such versions should
versions of macosdownloadold
https://setapp.com/how-to/full-list-of-all-macos-versions
Learn about all macOS versions Apple has ever released, including the latest macOS Sequoia.
the fulllist ofmacos versions
https://www.imore.com/gaming/steam-is-dropping-support-for-old-versions-of-macos-and-thats-bad-news-for-beleaguered-mac-gamers
Mac gamers running macOS High Sierra or macOS Mojave will not get Steam updates starting from February 2024.
versions of macossteamdroppingsupportold