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From: itfreak on 9 Apr 2010 03:21
I bought Windows 7 and wanted to use my old Windows XP CD to install a new
system at a friends computer. He lost his install CD. Do I have to deregister
my licence? The problem is that my pc crashed due to viruses. So do I have to
install it first on my computer, deregister and then install it on the other
pc?
From: DL on 9 Apr 2010 03:44
There is no de-registration process.
You can only transfer winxp to another PC if its a retail version. If your
version of winxp was an oem version supplied with the old PC, it died with
that PC

"itfreak" <itfreak(a)discussions.microsoft.com> wrote in message
news:879870D2-9E15-4BC1-B125-3C9A41F79CAB(a)microsoft.com...
> I bought Windows 7 and wanted to use my old Windows XP CD to install a new
> system at a friends computer. He lost his install CD. Do I have to
> deregister
> my licence? The problem is that my pc crashed due to viruses. So do I have
> to
> install it first on my computer, deregister and then install it on the
> other
> pc?

From: Pegasus [MVP] on 9 Apr 2010 04:16


"itfreak" <itfreak(a)discussions.microsoft.com> wrote in message
news:879870D2-9E15-4BC1-B125-3C9A41F79CAB(a)microsoft.com...
> I bought Windows 7 and wanted to use my old Windows XP CD to install a new
> system at a friends computer. He lost his install CD. Do I have to
> deregister
> my licence? The problem is that my pc crashed due to viruses. So do I have
> to
> install it first on my computer, deregister and then install it on the
> other
> pc?

You cannot "deregister" a Windows licence. If you have an OEM version then
you cannot transfer the licence to another PC. If it is a Retail version
then you will need to ring Microsoft at install time and explain that you're
transferring the licence. By the way - losing a CD is neither here nor
there. Your friend could just burn a copy of a similar version of a WinXP
CD. It is the product code that counts.

From: Alias on 9 Apr 2010 06:23
DL wrote:
> There is no de-registration process.
> You can only transfer winxp to another PC if its a retail version. If
> your version of winxp was an oem version supplied with the old PC, it
> died with that PC

That depends on what kind of OEM CD it is, branded or generic. With
generic, you *may* not transfer it to another PC but if 120 days have
passed since the last activation/hardware upgrade, it will install
activate and become "genuine" without any problems.
--
Alias
From: Bruce Chambers on 9 Apr 2010 10:07
itfreak wrote:
> I bought Windows 7 and wanted to use my old Windows XP CD to install a new
> system at a friends computer. He lost his install CD. Do I have to deregister
> my licence? The problem is that my pc crashed due to viruses. So do I have to
> install it first on my computer, deregister and then install it on the other
> pc?


There is no "de-activation" or "de-registration" process, as such.

Assuming a retail license (OEM licenses are not legitimately
transferable, of course), simply remove WinXP from the computer it is
currently on and then install it on the new computer. If it's been more
than 120 days since you last activated that specific Product Key, the
you'll most likely be able to activate via the Internet without problem.
If it's been less, you might have to make a 5 minute phone call.

Here are the facts pertaining to activation:

Piracy Basics - Microsoft Product Activation
http://www.microsoft.com/piracy/basics/activation/

Windows Product Activation (WPA)
http://www.aumha.org/a/wpa.htm


--

Bruce Chambers

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