Windows XP Media Center Edition 2005

When Microsoft ended support for XP, they said we will continue to re-activate XP if you have to reinstall, etc..

But over the last few years they seem to have dodged the issue and deleted the links about this.

Contact them by one of these methods and keep contacting them until they do sort it out for you.

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To contact Microsoft Support:

What can we help you with?

https://support.microsoft.com/en-us

Contact support        

http://windows.microsoft.com/en-us/windows/contact-support

Also: https://partner.support.services.microsoft.com/en-au/contact/menu/software/windows/setup/

"Microsoft office locations around the world"

https://www.microsoft.com/en-us/worldwide.aspx

"Global Customer Service phone numbers"

https://support.microsoft.com/en-au/help/13948/global-customer-service-phone-numbers

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Thanks for your reply. I already  contacted microsoft directly about this issue but they pointed me straight to here.

Anyway, I will contact microsoft again. If anyone knows of a solution, please share it with me

Windows XP activation is not like current Win OS,sometimes a manual land-line must be set..To access,open Windows XP Activation/properties/select a phone call option to activate..The XP number was:

888 571 2048  Also,one must have a internet connection with the pc to activate by default...CDs have no Product key,it's the box/sleeve the cd OS came in,or back of pc tower....