Question How to check when did i got windows license

[Vnagaravi]

I have windows 10 professional license linked to my Microsoft account
I don't know how did i got it. Most of the Times i use KMS or pre-activated ISO's last time i forgot to activate KMS and then i check the license it shows windows is activated and i checked slmgr -dli & it shows retail license
But i never bought any.
Getting windows free is good 😁.
But im little curious to find out how did i got it....

 

[DSzymborski]

A mystery that you can continue to ponder to yourself. We do not allow any aiding of piracy here, whether direct or indirect.