1. Download MasterServer.rar

2. Unzip archive

3. Copy MasterServers.vdf , rev_MasterServers.vdf (file to archive) to config\ directory

* Standalone: C:\games\Counter-Strike 1.6\platform\config\MasterServers.vdf

* NOTE: If masterserver2.vdf is in the same directory then overwrite it too - notice the naming difference

4. Make MasterServers.vdf read-only

* Right-click over MasterServers.vdf, select "Properties" and check "Read-only"

Remember to make the file READ-ONLY!