hw to install xp64 on xp32 already installed

[abhaykochhar2]

hey hw to install windows xp64?? as i hv already installed xp32 on it.. i m having a cd of windows xp64 but its not bootable one.. hw to boot then.. that i was thinking.. can anyone tell me hw to do it???

[ripken204]

what do u mean its not bootable? is it an upgrade disk? or retail?

[Nakatomi2010]

You cannot install XP64 from XP32, you'll need to boot from the CD to make it happen.... Check your boot order, or contact Microsoft for a replacement disc...

[nitroshift]

I wonder why you can't boot off it...