my product key has been exceeded

my product key has been exceeded, because i've installed my win xp more than
one on a different computer. the reason i did that is because i'm using my
colleague computer and my office computer. now, i've just purchased my own
computer today. but when i activated my windows, i got this: my product key
has been exceeded. is there anyway so i can activate my windows rather than
purchase a new license?

now, i got the same problem with my office xp pro...

"Ricky Manurung" wrote:

> my product key has been exceeded, because i've installed my win xp more than
> one on a different computer. the reason i did that is because i'm using my
> colleague computer and my office computer. now, i've just purchased my own
> computer today. but when i activated my windows, i got this: my product key
> has been exceeded. is there anyway so i can activate my windows rather than
> purchase a new license?