Upgrade Windows 10 Home to Windows 10 Pro

Before upgrading to Windows 10 Pro, make sure your device is up to date and running the most recent version of Windows 10 Home. For more info about how to keep your PC updated, see Windows Update: FAQ.

To upgrade from Windows 10 Home to Windows 10 Pro and activate your device, you'll need a valid product key or a digital license for Windows 10 Pro.

Note: If you don't have a product key or a digital license, you can buy Windows 10 Pro from Microsoft Store. Select the Start  button, select Settings  > Update & Security > Activation , and then select Go to Microsoft Store. From here, you can also see how much this upgrade will cost.
Open Activation settings

Use the following chart to determine which activation method you'll use:

If you got Windows 10 by...

Activation method

Upgrading to Windows 10 for free from an eligible device running a genuine copy of Windows 7 or Windows 8.1.

Digital license

Buying a Windows 10 Pro upgrade from the Microsoft Store app and successfully activated Windows 10.

Digital license

Being a Windows Insider and upgrading to the newest Windows 10 Insider Preview build on an eligible device that was running an activated earlier version of Windows and Windows 10 Preview.

Digital license

Buying genuine Windows 10 from the Microsoft Store app.

Digital license

Buying a copy of Windows 10 from an authorized retailer.

Product key

Find it on a label inside the Windows 10 box. A digital license will be given to your device for Windows 10 based on the valid product key you entered.

If you bought your PC from a manufacturer, the manufacturer, not Microsoft, must provide a product key.

Buying a digital copy of Windows 10 from an authorized retailer.

Product key

Find it in the confirmation email you received after buying Windows 10 or in a digital locker accessible through the retailer’s website.

A digital license will be given to your device for Windows 10 based on the valid product key you entered.

Having a Volume Licensing agreement for Windows 10 or MSDN subscription.

Product key

It is available through the web portal for your program.

Buying a new or refurbished device running Windows 10.

Product key

It is preinstalled on your device, included with the device packaging, or included as a card or on the Certificate of Authenticity (COA) attached to the device.

If you bought a refurbished PC, the refurbisher, not Microsoft, must provide you a product key.

Buying from www.microsoft.com

Product key

Find it in the confirmation email that contains the order history.


If you're having trouble locating your product key, see Find your Windows product key and Find your Microsoft downloads and product keys.

If you're ready to upgrade, select one of the following headings to get started:

To upgrade, select the Start  button, then select Settings  > Update & Security  > Activation .
Open Activation settings

  • If you have a digital license for Windows 10 Pro, and Windows 10 Home is currently activated on your device, you'll see one of two messages when you select Go to Microsoft Store:

    • If you see Install, select the button to install Windows 10 Pro.

    • If you see Buy, you may need to purchase a Windows 10 Pro license. Or, try to sign in to Microsoft Store with the Microsoft account that was used to purchase the Pro license. Then, follow the instructions to install Windows 10.

  • If you have a digital license for Windows 10 Pro, but Windows 10 Home isn't activated on your device, select Troubleshoot and then follow the instructions to upgrade to Windows 10 Pro.

  1. Select the Start  button, then select Settings  > Update & Security  > Activation .

  2. Select Change product key, and then enter the 25-character Windows 10 Pro product key.

  3. Select Next to start the upgrade to Windows 10 Pro.

Having issues with activation after your upgrade?

See the following for more help activating your valid product key or digital license for Windows 10 Pro:

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