1. Install Anti-Lag Patch (http://www.mediafire.com/?qcbh5u30ddsl7qj)
2. Set Launcher options
[Only admins are allowed to see this link]
3. Close all other running applications in the background (like internet browsers, YM/Skype, music/video players, etc.)
4. Have a good and stable net connection.
5. Computer with decent specifications.