Windows 10: How i can find my Product key that linked to my microsft account

Hiii

Dear community members


I like to sell my current PC and I like to buy a new one when sell the product I have to remove that from Microsoft account
If I do that I will lost that product key too...

Please let me know

:)

 

Remove account


I suggest you backup your personalized files first before removing the account.
To delete an account, follow these steps:

1. Press WIN + X keys and click Command Prompt (Admin) from the menu.
2. Type the following command and press Enter. Replace test with the name of your sister's account. Code:
   
   Code:

   net user test /del

 

Product key

Hi Megan,

A product key is used when activating a software.
To help us determine the appropriate troubleshooting steps that can resolve your concern, we'd like to ask the following questions:

• What product are you trying to activate?
• Are you looking for the product key to activate your Office application?
• Which version of Office are you trying to activate? To check this, you can perform the steps posted on this
  link.
• Are you looking for the product key to activate your Windows?

We look forward to your response.

 

link product key to Microsoft Account

how do i link the product key with my Microsoft account because I don't wan't to spend 40 minutes on the phone ever again because I changed my motherboard.

by the way my computer is activated