If you are looking to uninstall DMG Extractor these are the steps you'll need to take:
On Windows 10
Right-click the Start Menu's icon on the left of the taskbar and choose "Apps & Features".
Scroll to find DMG Extractor, select it and click "Uninstall".
Open the "Applications" folder in Finder and drag DMG Extractor to the Trash icon shown in the Dock.