No. Activation keys generated through the Red Hat Portal only work on official Red Hat Enterprise Linux (RHEL) installations. Red Hat derivatives like Rocky Linux or AlmaLinux do not require activation keys or registration. To help you get your environment set up, let me know:

Red Hat Enterprise Linux for Free: How to Get a No-Cost Subscription Using Activation Keys

: Go to the Subscriptions tab, then select Activation Keys from the menu.

Keeps your primary Red Hat account password safe and hidden.