Once you have registered Affinity V2 in My Account, you do not need to remain logged in to use the software or receive updates.
Any registered desktop software licence also allows you to use the registered Affinity V2 software on other desktop computers running on the same platform, whether downloaded from the Affinity Store or the Mac App Store or the Microsoft Store.
If you're using Affinity by Canva, please refer to our Accessing Affinity for free with a Canva account article.