Subscription

First confirm what you purchased was approved and the subscription is active by logging in below with a browser that supports cookies and doesn't have script blockers.  Depending on your region, it can take 24 hours for new purchases to be processed.

https://account.adobe.com/plans

1. Open CC Desktop App.
2. Click your Avatar (top right image) > Preferences > General tab > Settings. Select "Always keep Creative Cloud up to date."
3. Click on your Avatar again.
4. Sign-out of Creative Cloud.
5. Close all apps.
6. Restart your computer.
7. Open CC Desktop app.
8. Click your Avatar.
9. Sign-in with your paid ID and password.

This is a user to user forum. Please go to Adobe Customer Service (make sure to sign in to your Adobe account first and allow popups on your browser):
https://helpx.adobe.com/contact.html?rghtup=autoOpen will automatically open the chat window.
Type "Agent" in the chat box to bypass the chatbot and be connected to a person.

You may also be able to contact Adobe by phone:
https://helpx.adobe.com/contact/phone.html