Don't see the Discover tab inside the Creative Cloud desktop app? It's likely that your organization has disabled it, or you are in a country where it's not available yet.
Your admin may manage the experience of your Creative Cloud desktop app and the visible tabs. Contact your admin if:
There are still countries where the Discover tab isn't available yet. We are trying our best to make it available worldwide soon.
If you aren't in an enterprise or school environment and think that you should see the Discover tab, try the troubleshooting steps in Activation and deactivation troubleshooting.