For long-term security, always use Memory Card saves. Use Save States only for difficult boss fights (e.g., Verdugo or "It").
To use these, you generally need to import the downloaded file into your virtual memory card using a memory card manager tool or by manually placing the file in the memcards folder if you have root access or use a compatible file explorer. Save Data Resident Evil 4 Aether Sx2
| Site | Best For | File Format | | :--- | :--- | :--- | | | 100% complete saves (all unlockables) | .psu (needs conversion) | | The Resident Evil subreddit (r/residentevil) | "Post your memory card" threads | .ps2 / .bin | | Nexus Mods (RE4 section) | Modded saves (i.e., Play as Wesker) | .ps2 | For long-term security, always use Memory Card saves