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.
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.|| |
|Buying a Windows 10 Pro upgrade from the Microsoft Store 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.|| |
|Buying a copy of Windows 10 from an authorized retailer.|| |
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.|| |
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.|| |
It is available through the web portal for your program.
|Buying a new or refurbished device running Windows 10.|| |
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 the Microsoft store online www.microsoft.com|| |
Find it in the confirmation email that contains the order history.
If you're ready to upgrade, select one of the following headings to get started: