Even on high-end hardware, CS 1.6 sometimes requires minor tweaks for the best experience:

To get the most authentic tournament-ready experience, follow these steps to secure and set up the game: Counter-Strike System Requirements

CS 1.6 Infinity Gigabyte: Ultimate Download & Installation Guide

: Click the download button on the site. These files are usually executable ( .exe ) or compressed ( .zip or .rar ). Run the Setup : Open the downloaded .exe file. Select your preferred language.

If you want, tell me your OS (or run LocationPrompt isn't needed) and I can give exact step-by-step install commands or a shortlist of safe download sources.