This module requires RSAT in many of the custom functions. It can be installed by running PowerShell as admin, and pasting the following.
Get-WindowsCapability -Name "RSAT*" -Online | Add-WindowsCapability -Online
Run the following command in your PowerShell terminal to install the module.
Install-Module NN.MrfkCommands -Repository PSGallery -Force
You can see the documentation for all the functions on the wiki tab in this repo.