If you have activated your Articulate Studio '09 software with valid serial numbers, you may notice that the About Articulate Engage '09 dialog displays Evaluation Copy in the following situations:
Creating a new interaction from within Presenter '09:
Editing an existing interaction from within Presenter '09:
This is a known issue. It does not affect the functionality of your Studio '09 software.
Note that this issue does not occur when launching Engage '09 outside of Presenter '09. When opened as a standalone application, Help > About Articulate Engage '09 displays your serial number.