Does upgrade require that old version be installed?

Odd question. I’m getting a new mac mini. I’ve got Cubase 10.5 installed on an older computer. If I purchase the Cubase 12 upgrade after I get the mini can I download it to the mini without ever installing 10.5 on the mini? In other words, does the upgrade require that the old cubase version be present on the computer to work? I am the legal owner and have all the necessary numbers/dongle. I can, of course, load the old version on the new mini but if I don’t have to I won’t. Thanks.

Yes, no previous installation required.
You need the USB-eLicenser to perform the licence upgrade.