activate win7 proffesional on vaio model pcg-61411l

[haddadi]

I download win7 professional, now how could i activated it on my vaio laptop?
the model of my laptop is vaio# pcg-61411l and the default windows for it is win7 pro
please help
thanks

 

[buwish]

If you legally downloaded it from Microsoft, there should be a key with it that will activate it. Otherwise than that, you're SOL unless you buy it.