You just replaced your PC's hard drive, but now you have to reinstall and reactivate Windows or Office on your new system. Can you do it without the product keys for ...
Kamil Anwar on MSN
How to Fix "Unable to Activate Windows" Error 0xc0ea000a?
3. Re-enter the Product Key or Reactivate Windows If you have a product key, you can simply re-enter it to activate Windows ...
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