Screenshot of IntactHD M4V Converter for Mac

When you install and run the software:

Interface of IntactHD M4V Converter

When you click the Add button, Movie is default:

Add M4V videos to convert

You can also choose other library:

Add M4V videos to convert

After you add the videos:

Add M4V videos to convert

When you click the output to select the output Directory:

Set the output folder

And choose the output folder

Set the output folder

When you click the "Convert Now" button:

Converting M4V to MP4

When you click the history:

Conversion history