How do I change windows xp pro registration number?

By GlenVickery ·
Friend put windows on H drive because windows on C drive would not start.
Used her copy of windows
Says it is illegal product number
Mine is legit
How do I put my number in

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Well I suppose Key Finder by Magic Jellybean is what you need

by OH Smeg Moderator In reply to How do I change windows x ...

But be warned you can only change Product Keys from the same type of XP Product. So if you have a Volume License Product you can not use the Key from a OEM product and so on.

While Keyfinder will allow you to change the Product Key you need to make sure that you have the same version of XP. So try it and if it doesn't work you know the version that was installed is different to the version that you have and if that is the case you can not change the Product Keys.


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Also there are different keys for OEM vs retail

by markp24 In reply to How do I change windows x ...


just make sure if you have an OEM version of windows installed, you use the oem key
if you loaded a Retail (boxed ) windows version then use that key, (you cant mix and match product keys)
(also home, pro, starter, enterprise and VL versions do not accept keys from other versions)

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