This was quite annoying since the whole reason I chose this laptop at the time is the expectancy of gaining a performance upgrade when using 64bit applications a year down the road. They recommended owners of these computers should upgrade to their newer models. And when vista arrived they declared it will never be supported. However when windows XP 64bit arrived they declared that it will never be supported. I figured I would keep it with 32bit windows until more programs would be available for 64bit. Back in the day I bought an HP Pavilion zv6000 laptop.