: Use a tool like WinRAR or 7-Zip . You only need to right-click on Part 1 and select "Extract Here."
The file is typically one part of a multi-volume compressed archive containing the game Neptunia: Sisters VS Sisters .
: High-quality video files for cutscenes and the game's opening animation. How to access the content
: Large .pak or .bin files containing the game's assets like 3D models, textures, and audio.