CS 1.6 ProClient is built on Build 4554, the most stable and authentic version of Counter-Strike 1.6. This is the CS 1.6 we all remember — clean, fast, and unmodified. No unnecessary changes, no clutter — just pure, classic gameplay as it was meant to be experienced.

Whether you're a veteran player or new to the scene, ProClient brings back the true feeling of original Counter-Strike 1.6.
Download Link: Download CS 1.6 ProClient (Build 4554)