The installer for Monterey was 12GB while Big Sur’s installer was 13GB ... We do have a dedicated article about How to download old Mac OS X and macOS versions. macOS Sequoia can be found ...

The icons in Big Sur’s Dock echo the shape of those found on the iPhone and iPad, but wouldn’t be mistaken for them. Every icon is backed by the familiar super-ellipse used for iOS and iPadOS app ...

Curious about the versions of Mac OS X that came before ... the arrival of Sonoma in 2023 it stopped support for macOS Big Sur, which arrived in 2020). See: How long do Macs and MacBooks last?