Windows 10: Upgrade to windows pro

If i have a business, I would need to purchase a key for every computer I would like to put windows on.

:)

 

Can't upgrade from Windows 10 Home to Pro

Hi Bill,

Thank you for posting your query in Microsoft Community. We apologize for the inconvenience caused and will assist you in the best possible ways.

I suggest you to download and create an installation media for Windows 10 Pro form the link provided below:

https://www.microsoft.com/en-in/software-download/windows10

After the installation media is created, suggest you to upgrade to Windows 10 Pro from the installation media. When the upgrade asks for product key, enter the product key purchased for Windows 10 Pro. If it does not accept, suggest you to skip the activation
step. After the Operating System is installed, suggest you to activate by phone by following the steps below:

• Press “Windows key + R” and type “slui 4” and press Enter.
• Select the Region from the list and click Next.
• Call the Toll-Free number provided on top and can activate via phone.

Hope this helps. Keep us posted on the status for further assistance.

 

Windows 10 pro edition

Hello Raed,

For us to better assist you with your concern about upgrading to Windows 10 pro edition and how to roll back to Windows 7, we would like to know some additional information first:

• Did you get any error messages or error codes?
• What troubleshooting steps have you done so far?

To help you on upgrading your Windows 10 Home to Windows 10 Pro, we suggest that you check this

article for information and troubleshooting steps.

You can follow the steps provided below to be able to downgrade to Windows 7:

• Open Settings.
• Select Update & security.
• Click Recovery tab.
• Look for the option to "Go back to Windows 7/8", and click on "Get Started" to begin the process.

Hope it helps. Let us know if you need further assistance.

 

Upgrade Windows 10 Home to Windows 10 Pro

This is what I used

"

Follow these steps to upgrade from Windows 10 Home if you have a Windows 7 Ultimate, Windows 7 Professional, Windows 8 Pro, Windows 8 Pro Pack, Windows 8.1 Pro, or Windows 8.1 Pro Pack product key:

• Select the Start button, then select Settings >
  Update & security > Activation.

• Select Change product key, and then enter this 25-character default product key:
  
  VK7JG-NPHTM-C97JM-9MPGT-3V66T

Important

This default product key will upgrade your device to Windows 10 Pro, but won't activate it.

• Select Next to upgrade to Windows 10 Pro.

• After your device is upgraded to Windows 10 Pro, you'll need to activate Windows. Select the Start button, then select
  Settings > Update & security > Activation.

• Select Change product key, and then enter your 25-character Windows 7 Ultimate, Windows 7 Professional, Windows 8 Pro, Windows 8 Pro Pack, Windows 8.1 Pro, or Windows 8.1 Pro Pack product key.

• Select Next to activate Windows 10 Pro.

"