How to change the selected node for a App

Hello experts How can I change node from Node “A”  to Node “B” for deployment of my app. I have been trying to see in the environment setting, I couldnt able to see the Unlink app from the node  For example : I have 3 licensed nodes Lic_1, Lic_2 , Lic_3 For a project A I have choosed  Lic_1 as a enviroment and later realised, I need to use Lic_2.  In this case how can switch between these Environments    Thanks in advance     
1 answers

There is a document available in Mendix docs you can refer the below link for your problem