Connect 2x WD cloud home an 2 networks at 1 My cloud account

Hello everyone, I have a question, I have one WD my cloud ex2 connected at my home network by mycloud on imac. I bought a second WD cloud home single bay and want to install at my parents home but at my cloud account but on another network of course. How can i add both WD my cloud home ex2 and wd my cloud home connected to 2 different network in one account. Can you send my step by step how to do. Thanks in advance

@stefaan030380

https://learn.mycloud.com/default.aspx

I tried to look into the learn my cloud but can not find the answer, can some help me out please