Right-click hl.exe (or cstrike.exe ) -> -> Compatibility tab:
As a piece of software in 2024, Counter-Strike 1.3 is clunky, outdated, and difficult to get running. However, as a game, it captures a lightning-in-a-bottle moment in FPS history. It represents a time when the community dictated the meta (via movement exploits) rather than the developers. If you are a student of FPS design, this download is essential homework.
: The most reliable way to get a clean, original version is to find a physical copy of the Half-Life Counter-Strike Big Box or retail CD on sites like Legacy Community Archives
If you are looking to download this today, be prepared for some tinkering.