I switched from MBPro to iMac about half a year ago, and want to have CBP when we go on holidays, etc (seeing as iOS app is still in development stage

) so I just bought an MBAir 11 for that purpose.
I understand I can use the same licence on a second Mac, as long as it's not at the same time, which is exactly the case here.
My CBP was purchased via Apple App Store.
Are there any specific steps, etc I need to follow to get it installed on a second Mac? It will be running macOS Sonoma, if that makes any difference.