confirmation of windows 7 is genuine before purchase

1st question, im looking to buy a used computer which has windows 7 installed on it.  My question is how can I confirm the windows 7 key is valid and authentic before I give money and that it has not used elsewhere?

can 2nd question, if it is legitimate and comes with the installation of the retail media - I move the license to another PC and stop using it on the computer used mentioned above?

Thanks in advance

What OS is on the COA sticker that must be applied when the factory installs Windows?  The product key is readable?  It is the operating system you know with certainty who is being held on the PC for life, reinstall as often as you like.

It is possible that they updated any time at ultimate or a clean reinstall with ultimate detail, but just the version itself is a red flag because it is using a pirate the most.  A good indicator is looking at the ID of the product in Control Panel > system page.  If "OEM" in the string, then it is even more likely that it is hacked, because it means that this supposedly came from the factory and Ultimate rarely does.

But if he has any OEM in the string, then it is likely to detail that you can read the product key with ProduKey to use to reinstall.  This key can also still be validated by Global Customer Service.

Finally if still doubts, you can run MGADiag.exe and post again its full report.  If the malfunctioning of button copy try to paste in any case, but if not then follow mgadiag circumvention of report

Tags: Windows

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