Common guys,

   It is so easy to make any XP a genuine one (yeah, without installation of any external stuffs, it involves just a minor twick of its registry file).

After that, we can download any programs/updates from Microsoft site. Funny thing, Microsoft first checks for validity and then says 'Thank you for using original software' bla bla..   ;) 

I have not tried this in Vista, but for XP, it works like charm.

For 'some obvious  reason' I can not paste those steps (which I have shared with few friends here in Sajha). If anyone wants those instructions, message me in private.