Final answer:
Registering the software will allow Phil to use Photoshop beyond the additional 5 times.
Step-by-step explanation:
Registering the Photoshop software will indeed allow Phil to use the application beyond the additional 5 times. When software requires registration, it usually means that it needs to be activated with a valid license key or through an account with the software provider. Once registered, the software is authorized for unlimited use.