While "First quest.7z" isn't a single official product, it generally refers to a compressed archive containing the necessary files for a user's first "quest," typically in the context of VR gaming (like the Meta Quest) or classic RPG modding.
: 7-Zip is the standard, free, open-source choice.
This guide covers how to handle these 7z archives and get your content running. 1. Essential Software: The "7-Zip" Tool
A .7z file is a high-compression archive that requires specific software to open.