I have not yet tried this out. Theoretically, it should be possible if only the hardware is included as a key. Moreover, only one system runs at a time. No 100% guarantee on my part.
I have 4 HDs in operation in my MacPro 2010, 2 each for different operating systems and 2 for the back-up via Time Machine, if a new operating system appears from Apple, I clone the best system to HD3 and install the new system on it. If a new operating system from Apple appears, I clone the best system on HD3 and install the new system on it and can then try out at my leisure whether everything works, if it does not, I boot with the old system on HD1 and can continue to work without any problems, so now the question, can this Kasperski be upgraded to both systems, as it is the same Mac?
Thank you and greetings
Urs