Apple’s macOS Big Sur (version 11.0) marked a monumental shift in operating system design. With its completely revamped interface, rounded corners, translucent menus, and massive Safari overhaul, it was a visual feast. However, for millions of users, the feast came with a bitter aftertaste: official hardware compatibility dropped dramatically.
Disclaimer: Patching macOS violates Apple's EULA. Do not run this on a production machine that holds your business data. Always create a Time Machine backup before proceeding. Macos Big Sur Patcher
If you are reading this in 2025 or later, use OpenCore Legacy Patcher 2.0+ which now supports macOS Ventura and Sonoma. You might as well skip Big Sur and patch straight to Ventura for longer app support life. Apple’s macOS Big Sur (version 11