Should have been a sticker somewhere on the outside of the cpu box. This tool may also help you.
https://www.nirsoft.net/utils/product_cd_key_viewer.html
--please don't forget to upvote
and Accept as answer
if the reply is helpful--
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Greetings,
I have HP Proliant Gen8 server and would like to reinstall OS on it. It is an old server and i can't seem to find installation media we used for first installation. How can I retrieve product key for the OS. I tried command prompt command "wmic path softwarelicensingservice get OA3xOriginalProductKey" and Powershell "(Get-WmiObject -query 'select * from SoftwareLicensingService').OA3xOriginalProductKey" but they return blank screen. Current System is Windows Server 2012 R2 Standard and it is activated and there is product ID which ends ...-AAOEM if this is connected to my motherboard, can I just install fresh win server 2012 R2 and it will recognize itself automatically?
Should have been a sticker somewhere on the outside of the cpu box. This tool may also help you.
https://www.nirsoft.net/utils/product_cd_key_viewer.html
--please don't forget to upvote
and Accept as answer
if the reply is helpful--