Once you've verified the integrity of the ISO file, you can use it to install Mac OS Sierra 10.12.6 on your Mac or create a bootable USB drive.
If you have a Mac, you can convert the official installer into an ISO using Terminal: Download the installer from Apple as described above. Create a blank disk image using createinstallmedia mac os sierra 10.12 6 iso download
For users already on Sierra 10.12.x looking to update to 10.12.6, Apple offers a Combo Update package . The Digital Drift Once you've verified the integrity of the ISO
As an older OS, Sierra no longer receives active security updates from Apple. It is recommended to use it only on legacy hardware or for specific software compatibility needs. once you've finished the download? Download macOS Sierra 10.12.6 Update - Apple Support (IN) 8 Mar 2024 — The Digital Drift As an older OS, Sierra
Download the official installer from Apple’s support site, then convert it to ISO using the terminal script above.