If you are searching for Half.Life.v2023.12.01.zip on third-party forums, torrent trackers, or file-sharing sites, you must exercise extreme caution. Malicious actors frequently name malware after popular video games, updates, and software tools to trick users. How to Stay Safe
Half.Life.v2023.12.01.zip
If you have found this file and choose to proceed, the general concept for manual installation would be: