Will buying Zorin Ultimate 15.3 also give Zorin 16?

[Aravisian]

Please see this post by Artyom Zorin, here:

Upgrade from zorin 15 to 16 (ultimate)

Yes, you'll be able to do a direct upgrade from Zorin OS 15.3 Ultimate to the paid-for edition of Zorin OS 16 at a discounted rate when this upgrade option will be available.