How can I upgrade my Redshift Sky Pro to Ultimate? May 12, 2023 11:05 Updated The upgrade can be acquired via “Ugrade to ultimate” in the app menu. Related articles What do the Redshift apps cost? What is Redshift Sky What are the system requirements for Redshift 9 Premium? In which languages are the apps available? I would like to use Redshift 9 Premium across multiple monitors. Is this possible?