How can i make window XP become a window vista?or change XP to vista for free?

I want to change my themes, wallpapers and system and will look like window vista for free.How can i make window XP become a window vista?or change XP to vista for free?
Download this:

http://www.download.com/Vista-Transforma

It's called ';Vista Transformation Pack'; which makes your computer looks like vista, and yes, it's free.How can i make window XP become a window vista?or change XP to vista for free?
The only way to do this is to actaully buy windows vista...which is impossible for free. Vista is priced as followed: Vista Basic 拢68, Vista Premium 拢79, Vista Business 拢99, Vista Ultimate 拢149.



I hope this has been of use.
here is an instruction how to install windows vista:

http://www.myitbyte.com/2007/08/15/micro
You cannot just change operating systems.



If you wanna change the way that your computer looks, you will need to go to 'Control panal' and look for 'Appearence' or what ever it was that deal with the appearence.
You can upgrade it to Vista, but it's not free
OK go to www.Cristalxp.com



PS it will just look like it.



when you get there go to bricopacks
u can buy pirate vista of all version and u can activated it by crack
for free? microsoft will go bankrupt mate.