看主機板內建Windows 序號 Read Windows SN on mainboard

1. download from http://rweverything.com/download/

2.download and unzip portable edition

3. execute rweverything -> go to ACPI icon -> MSDM tab -> Data

or
showkeyplus software
 https://github.com/Superfly-Inc/ShowKeyPlus/releases

or

search -> cmd.exe -> right click to  run as administrator

\> wmic path softwarelicensingservice get OA3xOriginalProductKey



 

references
https://answers.microsoft.com/en-us/windows/forum/windows_10/windows-10-this-product-key-didnt-work-please/95a7e9cd-077f-40d6-b3df-028f8c41303a?page=2

https://docs.microsoft.com/en-us/windows/deployment/deploy-enterprise-licenses


https://www.tenforums.com/software-apps/2577-showkeyplus.html

https://www.nirsoft.net/utils/product_cd_key_viewer.html

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