How to Install and Use AFS Explorer 3.7 for Game Modding AFS Explorer 3.7 is a classic and essential tool for enthusiasts looking to mod games that use the file format—most famously seen in the Pro Evolution Soccer (PES) series and older Capcom titles like Resident Evil 4
Go to File > Open.
Select the target .afs file (e.g., dt01.img or sound.afs).
The software will parse the archive header and display the internal file structure.
Adware bundled in the installer.
Modified versions that corrupt AFS headers.
Missing OCX dependencies.
Warranty and Support
Error 4: "Out of memory" when rebuilding a large AFS