Sandbox games often encourage "free movement," which requires a safe, defined physical area to avoid bumping into furniture.
Finding a single "useful piece" for a file like often depends on whether you're looking for instructions on how to use it or common troubleshooting tips for large VR game files. Naughty-Sandbox-VR.rar
Since this is a .rar file, it is a compressed archive. You will need a utility to "unzip" it before you can play. Sandbox games often encourage "free movement