I've taken note of your request for information on 'Reg Organizer 9.30 for mac download free'. Based on the provided text, I found that there is no specific mention of a Mac version of Reg Organizer 9.30. However, I did find some relevant information about Reg Organizer and its features.

Here are some key points:

1. Reg Organizer is a registry editor and management tool that allows you to edit keys and values, add or delete data, and optimize the Windows registry.

2. It has a tree-like form for viewing file contents, making it easy to visualize all keys that will be imported into the registry.

3. The software includes a functional registry file editor, allowing you to import reg files, including from Explorer.

4. Reg Organizer 9.31 is available as a free download, and there are also previous versions (9.20, 9.11, etc.) available for download.

If you're looking for a Mac version of Reg Organizer 9.30, I couldn't find any information on the official website or through my search queries. However, if you're interested in using a registry editor on your Mac, there are other options available that might meet your needs.

Please let me know if you have any further questions or if there's anything else I can help you with!