Big Sur Iso 2021 - Macos

Apple does not officially distribute macOS in ISO format [7]. To get a macOS Big Sur ISO from 2021 (such as version 11.2 or 11.5.2), you typically have to create one yourself using the official installer app or download a community-made version [6, 32]. Official Method: Create Your Own ISO

1. “This copy of the Install macOS Big Sur application is damaged” macos big sur iso 2021

Rename the resulting .cdr file to .iso.

Step 1: Download the 2021 version of macOS Big Sur

Open Terminal and run one of these commands to download the final 2021 versions: Apple does not officially distribute macOS in ISO format [7]