Can’t download Netvue on imac

So I have 3 Netvue cameras covering my whole house I love them and have never had a problem watching on my iPhone.
I went to put them on my apple iMac but you can’t download the app on there
I went onto my account online to do it that way but it say the cameras aren’t supported
Can anyone tell me if they have them on theirs and how they done it?