if you can change a lightbulb you can upgrade a P4 :-)
have a look at the installing P4 video on the above link and see what you think.the others are worth watching too.
if you get a heatsink and fan with the cpu it should caome with a thermal pad or interface material pre applied on the heatsink.all you need to make sure is that the heatsink sits flat on the cpu.follow the instructions and you will be fine.
if thermal pase is supplied the have a read click here may also help you.
This thread is now locked and can not be replied to.