For Visual Studio 2015 and higher, to uninstall MZ-Tools 8.0 follow these steps:
Go to the Tools | Extensions and Updates... window (Visual Studio 2015/2017) or Extensions | Manage Extensions... (Visual Studio 2019), Installed | Tools section, locate MZ-Tools 8.0 in the list and click the Uninstall button.
For previous versions of Visual Studio, VB6 and VBA, to uninstall MZ-Tools 8.0 follow these steps:
Close all instances of the IDE.
Go to the Control Panel, Programs and Features item, locate the desired MZ-Tools 8.0 product to uninstall in the list and click the Uninstall button or context menu entry.