Uninstalling STG FolderPrint Plus?

It is very easy to uninstall STG FolderPrint Plus.
Just use the regular Windows Uninstall Program system.
For example, in Windows 7 click on Control Panel, Uninstall Program, choose STG FolderPrint Plus on the list, right-click and pick Uninstall in the menu.

Details change in each version of Windows. Please check your operating system documentation or Google for more details.