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💾 Free CS 1.6 download – Original 2025 version (requires installation) or portable ZIP version (no installation needed – just download and play).
Download CS 1.6
Original Version (155MB) Download ZIP archive CS 1.6
(198) MB
📖 Need help installing?
View full Counter-Strike 1.6 installation guide.
View CS 1.6 ZIP installation guide.

Dark blue dialog box "Make sure you trust 2025setupCS16.exe before you open it" with a message about "Microsoft Defender SmartScreen" and buttons "Show more", "Cancel", and "Delete".

Screenshot showing a dark blue dialog box titled “Make sure you trust 2025setupCS16.exe before you open it”. The content explains that “Microsoft Defender SmartScreen” couldn’t verify the app and urges the user to ensure they trust the file. At the bottom are three buttons: “Show more”, “Cancel”, and “Delete