i have bought CS4 design premium student edition since 2009, i have a new mac book pro without CD rom recently, i went the apple store to help to install, but the CD of application 2 isn't work, how can i install my cs4 now?? i have my own serial no.

Download thru the page linked below and use the serial number you have to activate it.

CS4 - http://helpx.adobe.com/creative-suite/kb/cs4-product-downloads.html

You can also download the trial version of the software thru the page linked below and then use your current serial number to activate it.

Be sure to follow the steps outlined in the Note: Very Important Instructions section on the download pages at this site and have cookies enabled in your browser or else the download will not work properly.

CS3 and CS4: http://prodesigntools.com/download-adobe-cs4-and-cs3-free-trials-here.html