I'm providing this guide for educational purposes only. Using ROMs, PKG files, and updates from unofficial sources may have risks and potentially harm your console.

: DLC for "Resident Evil 4 Remake" could include additional story chapters, characters, weapons, or game modes. Capcom has a history of supporting their games with free and paid DLC, enhancing the game's replay value.

: A story expansion starring Ada Wong, providing roughly 5–10 hours of gameplay. The Mercenaries : A free gameplay mode added via a post-launch update. Deluxe Content

Some DLCs and updates might be available for free on the PS Store or through the game's official website.

: In the context of PS4 development or backup communities, .pkg files are the standard format for game installers and updates.