Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Get MacTracker (free download). Then go in the "About this mac" window, click more info, and go in the Hardware section.

There will be a model number like MacBookPro5,5. Paste this in MacTracker and you'll find out.
 
Get MacTracker (free download). Then go in the "About this mac" window, click more info, and go in the Hardware section.

There will be a model number like MacBookPro5,5. Paste this in MacTracker and you'll find out.

what i need to know that for is, i want to change the hard drive in it and i need to find the guide for it.

thanks
 
If you have an umbp with a non removable battery then it is the June 2009 version unless its a 17 inch but the process will still be the same. If its the one with the removable batter then its the late 2008 version.
 
Search for OTC video guides on youtube. Type in macbook HD replacement in search field, find the one for OTC, and follow the 10 minute step by step directions, very easy.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.