Upgrade from a Prior Windows Version: Free

If you need a product key and don’t have one available already from an existing build or copy, you’ll want to check out method 5, which involves using a low-cost key marketplace. Select Next to start the upgrade to Windows 10 Pro.Below, we’ll also show you the different methods for saving money on Windows and compare them. Select Change product key, and then enter the 25-character Windows 10 Pro product key. Select the Start button, then select Settings > Update & Security > Activation . 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. For more info about how to keep your PC updated, see Windows Update: FAQ. STEP 2: UPGRADE WINDOWS 10 HOME to WINDOWS 10 PROīefore upgrading to Windows 10 Pro, make sure your device is up to date and running the most recent version of Windows 10 Home. Then you can proceed with the installation You will eventually get to a page similar to this one.

Scroll down to the Software section, click on the product you want to get the keys and if applicable a download for.

From the left pane menu, Select “Billing” > 'Your Products'.

Sign in with your Office 365 admin account (typically something like or with any Global Admin account for that same tenant.

Browse to and make sure you are not signed into any other Office 365 account if you have more than 1 Office 365 tenant.

Open your browser in a private/incognito session.

If the problem persists, please open a service request at STEP 1: GETTING YOUR PRODUCT KEY IF YOU ARE NOT ABLE TO SEE YOUR PRODUCT KEY, PLEASE WAIT AND TRY AGAIN IN 24 to 48 HOURS. NOTE: IT MAY TAKE UP TO 48 HOURS to ACTIVATE YOUR SUBSCRIPTION. This article will show you how to get your product keys and downloadable software in the event you purchased a software subscription via the CSP program such as Windows 10 Home to Pro Upgrade for Microsoft 365 Business and other CSP SW subscriptions.

Upgrade key for windows 10 pro