The Activation Key is not merely a password; it represents a cryptographic handshake between the local distributor's software instance and HPCL’s central command infrastructure.
An activation key (also called a license key or product key) is a unique alphanumeric string that unlocks premium features in Sterna Plus. Without a valid key, the software typically operates in a limited "trial mode" or a "view-only" state. sterna plus activation key hpcl hot