***How to Remove Windows 11 home Product Key and Add Windows 11 Pro Product key with Command and Restore Back to Windows 11 Home Again

 https://www.youtube.com/watch?v=BAulJJkJCrY&t=447s 

 

 

To remove a Windows 11 Home product key and add a Pro key using the command line, follow these steps in

Command Prompt (Admin):

1. Remove Current Product Key 

Use these commands to uninstall the current key and clear it from the registry: 

• slmgr /upk — Uninstalls the currently installed product key.
• slmgr /cpky — Removes the product key from the Windows registry to ensure it is completely cleared. 

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2. Add New Windows 11 Pro Key 

You can install your new Pro key directly using the following command:

• slmgr /ipk <Your-Pro-Product-Key> — Installs the new 25-character product key.
  • Example: slmgr /ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX 

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3. Trigger Activation

After installing the key, force Windows to communicate with Microsoft's servers to activate: 

• slmgr /ato — Attempts to activate the installed product key online. 

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Troubleshooting: Upgrade via Generic Key 

If the Pro key is rejected because the OS is still in "Home" mode, you may need to force the edition upgrade first using a generic Microsoft upgrade key: 

1. Run changepk.exe /productkey VK7JG-NPHTM-C97JM-9MPGT-3V66T.
2. Wait for the system to process the upgrade and restart.
3. Once restarted, use the slmgr /ipk command from Step 2 to enter your purchased Pro key for final activation. 

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Note: Always ensure your device has an active internet connection before running the activation (/ato) command. 

These articles explain how to uninstall your current Windows 11 product key and then install and activate a Windows 11 Pro product key using the command line:

 

 

 

 Here is the Command Restore Back to Windows 11 Home 

 

wmic path SoftwareLicensingService get OA3xOriginalProductKey