Benefits:

Websites offering "free" activation keys are primary vectors for malware, ransomware, and spyware

Select the license tier that fits your needs (Personal or Enterprise).

An offline activation key is a code used to bypass online license verification. Software developers often include offline activation for computers without internet access.

: The free edition is restricted to extracting up to 5 files or 4 GB of data per session.

: The tool maintains the original folder hierarchy and ensures no data is lost during the transfer from Mac formats to Windows.

Most websites promising "top" activation keys bundles are fronts for cybercriminals. Clicking download links or copying files from these sites can silently install:

Users in areas with unstable internet.

With the retirement of the original DMG Extractor, the field of top contenders is wide open. Here are the leading software options for opening DMG files on Windows in 2026, with a focus on their "Pro" features, which are the features you would have historically unlocked with a key.