- Firstly amxmodx must be installed. Refer this article to install amxmodx in your cs 1.6 server .
- After you have installed amxmodx go to this folder ->> C:\Program Files\Counter-Strike\cstrike\addons\amxmodx\plugins
- Paste the plugins that you have downloded in the plugins folder mentioned above. You can download plugins from http://www.amxmodx.org/compiler.php or search in google .
- Go to this folder -->> C:\Program Files\Counter-Strike\cstrike\addons\amxmodx\configs . Open Plugins.ini from the folder mentioned above.
- Scroll to the bottom till you see this line ; Custom - Add 3rd party plugins here.
- Now write the names of plugins with there extensions. Suppose If you have a plugin name bunnyhop then you will write bunnyhop.amxx under ->> Custom - Add 3rd party plugins here.<<-. See the screenshot.