se are MacOS Application bundles. In case of the full version you first need to unzip it to get the dmg file. Open the dmg (by double-clicking it) and select it from the left navigation panel in your Finder where it will appear as a "virtual disk" (DMG Files are Mac-formatted Disk Image Files). Drag the "jExifToolGUI.app" bundle from the dmg into a folder of your liking where <i>Applications</i> is the most logical one.<br>
<i><b>Note:</b> MacOS (the Gatekeeper software) does normally not allow applications