The word "verified" in your search query is crucial. CS 1.6 is filled with malicious files. Many websites offering "no recoil" actually provide:

A verified CFG has been tested by the community. It ensures:

Warning: Do not download random .exe or .rar files from popup websites. Only download from repositories or community forums like ProConfigs, GameBanana, or trusted GitHub pages.

Below is the verified script. You do not need to risk a shady website. Copy the text block below.

Launch CS 1.6, open the console (press ~), and type:

exec aim_norecoil_verified.cfg

To make it permanent, add that line to your autoexec.cfg.