Updating an existing app to be compatible to the new Catalina OS

I just updated my Macmini OS to the Catalina and when I try the app that I use to make cards called Print explosion deluxe there is a message that I have yo update this app. How do I update this app?

Mac mini, macOS 10.15

Posted on May 9, 2020 10:16 PM

Reply
2 replies

This thread has been closed by the system or the community team. You may vote for any posts you find helpful, or search the Community for additional answers.

Updating an existing app to be compatible to the new Catalina OS

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.