Because this is "part 1," the software will not function unless you have all subsequent parts (part2, part3, etc.) present in the same folder during extraction.
Files from peer-to-peer or unofficial sites are frequently bundled with malware, miners, or trojans . Since CODEX officially retired in February 2022, any "new" releases bearing their name are almost certainly malicious.
CODEX (a well-known, now-retired video game piracy group)
Using "cracked" software violates copyright laws and deprives the developers (RedRuins Softworks) of revenue for their work.
You will not receive official game updates, bug fixes, or access to online features/achievements. Safer Recommendation
Downloading and attempting to open files from unofficial sources like this carries several significant risks: