How I connect to the game?

[deadboy]

You need GTA San Andreas on your PC, then you install Multi Theft Auto, it's one of the multiplayermodes for GTA SA. Download it from http://mtasa.com/ and install it.
Then run the Multi Theft Auto exe and check the settings to setup your your preferences and enter your nickname (you got a randomly generated after installing).
After you have done this, click on Server Browser and just enter the server's IP 178.33.54.30:20256 and hit enter or click connect.

You can add the Server to your favorites if you click on the heart in the searchbar (while the servers IP is entered)