Fully compatible. In fact, the SGS script works better on older non-Steam builds because they lack certain memory constraints.
A functional SGS script automates the complex timing of the +duck command and strafe keys. In CS 1.6, the engine allows for "multi-commands" tied to the scroll wheel or specific toggles. Most scripts follow this logic: cs 1.6 sgs script
Despite its benefits, you may encounter problems after installing the SGS script. Fully compatible
Rename your config.cfg to config_backup.cfg . Fully compatible. In fact
Installing the SGS script is straightforward, but you must be careful not to overwrite your personal binds.