Windows 11 Home to Windows 11 Pro

I tried to upgrade my laptop from Windows 11 Home Single Language.
Steps that I did
Step 1: I go to Settings>Activation
Step 2: I entered a generic WIN 11 PRO key(Disconnected from the internet)
Step 3: Once reboot is done I reconnected to internet again the type my retail product key.

Once this appeared and did not Activate my license key


I ran Troubleshoot then this is what it say

What do I need after this. Thanks for the help

Where did you obtain the key from and have you used the key elsewhere?

SlicEnDicE said:

Where did you obtain the key from and have you used the key elsewhere?

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I buy it from a retail store

beginner_lang said:

I buy it from a retail store

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So have you used this key before?

Is this Store you got the key from trustworthy? Is it possible that the key has been stolen from the store and someone already used it?

SlicEnDicE said:

So have you used this key before?

Is this Store you got the key from trustworthy? Is it possible that the key has been stolen from the store and someone already used it?

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I don't think so because I buy from them previously and I used it for my desktop

This is what it say when I ran Troubleshooting.

Yes it found the OEM license embedded into your computer firmware.

SlicEnDicE said:

Yes it found the OEM license embedded into your computer firmware.

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So there is a conflict with the OEM license embedded to my computer what should I do now

No it's not a conflict...

Somethings wrong with your new key.

It seems you’ve tried to use the key on different machines or it’s faulty?

As for bypassing the embedded license in your Firmware. There is a bypass/fix
Refer to post #6 by @NavyLCDR

is there any possible solution to fix this

beginner_lang said:

is there any possible solution to fix this

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Read the post I just made… #10.

antspants said:

Read the post I just made… #10.

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thanks hope that works

Also, you should not have to use the generic key in Windows. Just type in the key you want to use and it should be all good.

What is possible though, is that the key you got does not work because Windows expects an upgrade key.

To solve this, you may have to do a clean install using the method @antspants just provided. Please note that even that is not 100% guaranteed to work in your case...so there's risk involved.

SlicEnDicE said:

Also, you should not have to use the generic key in Windows. Just type in the key you want to use and it should be all good.

What is possible though, is that the key you got does not work because Windows expects an upgrade key.

To solve this, you may have to do a clean install using the method @antspants just provided. Please note that even that is not 100% guaranteed to work in your case...so there's risk involved.

Click to expand...

I did this also but it say "You're product key didn't work" something like that so I thought I'm doing the wrong thing and also forgot to mention this, Does it matter if I Have a Windows 11 Home Single Language version 23H2 and the version of the product key I bought is 21H2

beginner_lang said:

thanks hope that works

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It would appear that the ei.cfg has gone from that page.
Obviously replace references to Windows 10 with Windows 11 (should be same process as it worked for me)

Here is the ei.cfg needed, download from my Rapid Account. Not sure where else to upload it to.

beginner_lang said:

Does it matter if I Have a Windows 11 Home Single Language version 23H2 and the version of the product key I bought is 21H2

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No

The error that you received in post #1 means exactly what it says. You purchased a product key that has been previously used. You have three choices:
1. Contact the retailer you purchased the product key from, tell them the error you got, and insist they give you another product key.
2. Buy another product key from another source.
3. Call Microsoft Product Activation number (888) 571-2048 and they might activate it for you.

NavyLCDR said:

The error that you received in post #1 means exactly what it says. You purchased a product key that has been previously used. You have three choices:
1. Contact the retailer you purchased the product key from, tell them the error you got, and insist they give you another product key.
2. Buy another product key from another source.
3. Call Microsoft Product Activation number (888) 571-2048 and they might activate it for you.

Click to expand...

Most likely because I tried the other solutions that they gave me but none works. I'll contact the retailer. Thanks Guys I appreciate the helps