Info from support is different than above. Here thye say 8.5 is standalone installable?
>> Thank you for contacting Cakewalk! I apologize for this inconvenience. You
>> should be able to download 8.5 from your account if log in to
ME: Yes, but can it install without 8?
Cakewalk Customer Service <
CakewalkCustomerService@cakewalk.com>16.31 (for 5 timer siden)

Yes, you should be able to install without 8. Its a completely different product, not just update to 8. Make sense?