Is windows 64bit pro qualify for the express upgrade

[Guest]

I built myself a pc with 64 bit windows and im wondering if im qualifyed to
get the update or is it only through the major builders companies(hp
,dell,ect) with 32 bit versions.
--
p4n diamond sli
bios 1.4
pentium d 830
gforce 6200 grapics card 128mb
true power 2.0 sli 550W
2X1 gb g skill memory 533 mhz
2 x 300 gb seagate baracudas 7200 sata
windows xp pro 64bit

 

[Bob I]

Express upgrade? You may want to post to the Windows.64bit.general group
about this.