508_rp.rar -

Updated graphics or map data for the 508 client.

These files are usually meant to be dropped into a specific client or server directory (e.g., /data or /cache folders). 508_RP.rar

If you tell me or what specific game/server you are trying to use it with, I can give you a more detailed guide on how to install or use it. Updated graphics or map data for the 508 client