im new im have some difficulties

hey guys,im new to ESF and im trying to install and i know u probably heard this before but, i have CSS and im trying to install i dont know how to, i try to assign it to a folder and it wont let me install so it kinda sucks.

Please reply to this ASAP,
-SomaCruz00

ESF does not work with CSS.
You need CS 1.6 (the one that comes without CZ) or better yer Half Life 1.

ESF is not source compatible.