You can uninstall Design Master using the steps outlined in the sections below.
If you plan to reinstall the software after uninstalling, installation instructions and links to the latest installers are available here.
NOTE: Your customization folder will not be uninstalled. This ensures you do not lose your customization if you need to uninstall and reinstall the software.
Design Master Electrical RT for Revit
Use the Windows Apps & features utility to uninstall the software. The next time you open any Revit version, the Design Master ribbons will be gone.
Design Master Electrical, HVAC, or Photometrics for CAD
In your CAD program, run the MENULOAD command. Select and unload each ribbon that begins with “DM-“, then close the dialog box. The selected menus will be unloaded. If you use multiple CAD versions, you will need to repeat this process for each version.
After you have unloaded the menus, use the Windows Apps & features utility to uninstall the software.