macOS Big Sur, introduced in 2020, marked a significant design overhaul of the macOS operating system, bringing a fresh look and a host of new features. The version 11.0.1 with the build number 20B29 refers to a specific release of Big Sur, likely one of the early versions.
Version Status: This was the first stable public release of Big Sur, skipping version 11.0 which was pre-installed only on early M1 Macs. macos big sur 1101 20b29iso google drive repack
As of May 2025, macOS Big Sur is no longer supported by Apple (security updates ended November 2023). If you need an older macOS for software compatibility: Understanding macOS Big Sur 11
Standard macOS updates are typically delivered via the Mac App Store as a .app installer. However, power users often require a "Repack" ISO for several specific scenarios: Clearly label modified images, include hashes, and document