No-mans-sky-v4-4-29481-0-part1-rar Official

This indicates the download is split into multiple parts. You cannot extract the game files unless you have all parts (Part 2, Part 3, etc.) in the same folder. The Risks of Pirated Game Files

Files like these are common vehicles for trojans, cryptocurrency miners, and ransomware. Even if the game runs, "repacks" or "cracks" can hide malicious background processes.

This refers to the major update released by Hello Games in late 2023, which introduced a new robotic race (the Autophage) and overhauled space combat.