02.06.2013, 19:00
If you have the Steam version, you won't be able to play SA:MP.
If you have version 2.0 of GTA:SA (which you likely do), you'll need to apply the downgrading patch which can be found on the main download page. http://sa-mp.com/download.php
If you have version 2.0 of GTA:SA (which you likely do), you'll need to apply the downgrading patch which can be found on the main download page. http://sa-mp.com/download.php