Windows 10: Setting up a new pc with windows and only one product key

So im building a new pc and will of course need to do a fresh install for windows. What's the bets way for me to install windows on to my new pc and activate it with my one product key thats on my current pc now. I upgraded to windows 10 from windows 7 back when it was free to do so. So I do not have the product key written down anywhere which is oversight on my part I know. My old pc and drives won't be used once my new pc is setup im just unsure how to get everything activated and still keep my files.

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:)

 

New DELL laptop- Windows Product Key

Hi and thanks DaveM121 for the prompt reply.

I followed the instructions supplied by the DELL email but in the end Windows would not automatically activate. I just found an answer by following this below google result instructions:

Find Windows 10 Product Key on a New Computer

1. Press Windows key + X.
2. Click Command Prompt (Admin)
3. At the command prompt, type: wmic path SoftwareLicensingService get OA3xOriginalProductKey. This will reveal the product key. Volume License Product Key Activation.

I copied the key and entered it into the option to change product key (not that one was entered as it said it was inactive in red text). FWIW, I never got a product key in any form suggested by the problem solving suggestions
wormhole link I found in Settings. Apologies if this is a basic newbie issue. It has been doing my head in for the last couple of hours.

Anyway, greatly appreciate your time. Thanks again DaveM121.

 

Product key association disable on old pc

Hey,


I sold my old pc to a friend. He installed some missing parts (HDD, GPU and RAM). Then we installed Windows 10 Home 64-bit version from USB stick. I was surprised to see that windows was automatically activated after that. I did some digging and found out that it is using my product key, which i use now in my own new pc. My friend does not have his own product key, the idea was that he just uses the unactivated windows with limited features.


I uninstalled my Windows 10 product key via command prompt in friends computer (as i understand this is only local solution, if he reinstall windows or clicks the active button, it reactivates automatically with my product key) and now it says windows is not activated, but my product key is still shown with Produkey app in his pc. So far windows is still activated my own pc.


My questions:

1. Is this all i need to do?
2. How do i get rid of product key showing still with product key showing apps on my friend's computer?
3. Is there a way to get rid of association of my product key on that old pc that i sold to friend?

EDIT: I originally installed windows 10 via upgrade option from Windows 7, if that matters.

 

Convert a Windows 8pro product key to a Windows 10pro produkt key

Hi Andre,

Thank you for contacting Microsoft community.

I suggest you to Uninstall the license using the following steps.

• Press Windows key + X
• Click Command Prompt (Admin)
• At the command prompt, type: slmgr.vbs -upk
• Press Enter, this will uninstall the product key from the computer.

Further on, install Windows 8.1 activate the copy with the product key on the new machine. Then again upgrade the same to Windows 10 using Window Update or Media Creation Tool.

Hope this information was helpful and do let us know if you need further assistance. We will be glad to assist.