: Download the desired PKG (such as Artemis or a PS2-to-PS3 CodeBreaker port) and place it on the root of a FAT32-formatted USB drive.
In the context of a modded PS3, a PKG file is a package format used to install homebrew applications. When users search for a "Codebreaker PS3 PKG," they are typically looking for one of two things: ConsoleMods Wiki PS2 Classics Emulation: