You cannot extract or use part07.rar by itself. You must have all other parts (part01, part02, etc.) in the same folder.
You will not be able to access official multiplayer servers, and you won't receive automatic updates or bug fixes from the developers. ICARUS.v1.2.40.107990-TENOKE.part07.rar
Once all parts are downloaded, right-click on Part 1 and select "Extract Here" (using WinRAR or 7-Zip). The software will automatically pull data from all the other parts to recreate the full game installer. You cannot extract or use part07
"TENOKE" is a well-known "scene" group that releases cracked versions of video games. The file you are looking at is of a larger multi-part RAR archive. How to handle this file: ICARUS.v1.2.40.107990-TENOKE.part07.rar
Pirated releases are frequently used to distribute trojans, miners, or ransomware.