Yes you can! But you have to make a back-up, the process sometimes corrupts the image when you migrate the data from the HDD to the SSD. Also, please make sure your laptop supports it in it's current state, many laptops need updates to the firmware before an SSD can be used.
Check out this guide from LifeHacker: http://lifehacker.com/5837543/how-to-migrate-to-a-solid+state-drive-without-reinstalling-windows
Personally, I would do a fresh install, but that's just preference.