In v2024 or later, Formation licenses can be removed from the Muk3D Launch window.The first step is to expand the Launch window by clicking the >> button in the lower right corner.

Next, click the Licensing button and select Remove evaluation license.

This will bring up a window showing all the installed evaluation licenses.

Select the license(s) to remove by checking the box in the Remove column. Hit OK to remove the selected licenses. A confirmation box will appear showing the licenses that were removed.