activate windows after a hardware change

[Windows Central Question]

I have changed my motherboard and my cpu and now windows is asking me to activate but I had a free upgrade to win 10 and I know longer have a product key for my windows 8 which I upgraded from.

Please help

 

[tgp]

You will probably need to call Support to get it reactivated. Windows sees it as a new machine due to the motherboard change. On the Activation window there should be a phone number to call, based on your country. Sometimes you can complete the process by prompts to an auto attendant, and sometimes you talk to a live person.

 

[AndyCalling]

You probably do still have the old key for W8 registered to your Win account somewhere? Worth getting if you can, as this is still a good plan B if your Windows registration data online gets mucked up somehow. Remember, if you have an OEM version of Windows (ie. It came with your PC) you will need to buy a new copy of Windows as it is not transferrable to a new PC (so one where the hardware is changed significantly, such as yours). Only retail boxed copies can be moved to another PC.

 

[Chintan Gohel]

I have changed my motherboard and my cpu and now windows is asking me to activate but I had a free upgrade to win 10 and I know longer have a product key for my windows 8 which I upgraded from.

Please help

How to re-activate Windows 10 after a hardware change | Windows Central

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I have changed my motherboard and my cpu and now windows is asking me to activate but I had a free upgrade to win 10 and I know longer have a product key for my windows 8 which I upgraded from.

Please help

Activate w10 on hardware change:http://m.windowscentral.com/how-re-activate-windows-10-after-hardware-change