You can install into another Mac (free if you have previously purchased the Mac version):
https://technimo.helpshift.com/hc/en...-new-computer/

You can use iCloud sync to transfer your songs (useful if you are keeping your old Mac as a backup computer):
https://technimo.helpshift.com/hc/en...s-icloud-sync/

Or do a backup and use Airdrop (or email) to import:
https://technimo.helpshift.com/hc/en...nother-device/