Well, you already have Windows installed on your laptop.
First make changes to Windows. Here is a link to the instructions:http://www.ocztechnologyforum.com/forum/showthread.php?69682-Change-from-IDE-to-AHCI-after-Installation
After you make the changes you'll need to reboot and go into BIOS during the initial laptop start up routine. Check your owner's manual for instructions.
Here is a general purpose link that should help you with BIOS:http://windows.microsoft.com/en-US/windows-vista/BIOS-frequently-asked-questions
After you make the change in Windows and the change in BIOS you can go ahead and do the optimizations in the first link I posted.