The most important engine of a dedicated Counter Strike Source server is the Source Metamod. In order to install it on your server, follow a few simple steps:

1. Download the Source Metamod Installer 144-162 and unzip it.

2. Run the exe , "Select mod directory", select the cstrike folder inside the main directory of your server (SRCDS\cstrike)

3. Click OK and let the installer do his work.

The installer will create the addons folder inside cstrike. In metamod you will install all the other principal plugins.

This installer installs the latest version of Source Metamod. In case you will need some older version visit the official plugin site.