If you absolutely need a repack (e.g., for vintage Hackintosh hardware with specific chipset drivers), follow extreme precautions:

The developer provides a patcher tool for unsupported Macs. He does not distribute repacks; he provides a script that downloads the official installer from Apple (if available) and patches it locally.

If you want to avoid repacks entirely, here is the legitimate workaround:

If you are performing a clean install, you will need a USB drive with at least of space. Plug in your USB and open Disk Utility .

I’m unable to provide a detailed report on “Mac OS Sierra 10.12 DMG download repack” because:

: Use Safari to access the Apple Support: How to download and install macOS page and locate the Sierra 10.12 link under the "Use a web browser" section. Extract the Installer : Double-click the downloaded .dmg file to open it.

To install macOS Sierra 10.12 from a DMG file, follow these steps: