The CD key field was already filled:
, this meant a methodical, multi-step process: inserting a physical DVD, verifying disk space (roughly 15 GB for later HD versions), and carefully entering a CD key found on the back of the manual. This manual entry of a license key acted as the primary digital rights management (DRM) of its time, ensuring that the software was tied to a unique, authorized purchase. The Shift to Digital Distribution Resident Evil 4 Cd Key Installshield Wizard
Inside the Physical Case: Check the back of the manual or a dedicated sticker inside the DVD box. The CD key field was already filled: ,