You need to clean install Windows 10 Pro edition then use your valid product key to activate system. If successful, your edition will be marked as “Windows 10 Pro”.Windows Home Single Language edition is different with Windows Home edition, which cannot upgrade to Windows 10 Pro edition directly via change generic Pro product key. Head back to activation settings by repeating the above steps and check the edition of the product key. Now you’ll want to check that your upgrade from Windows 10 Home worked.

Verify that your Windows 10 Pro upgrade was successful.

If the key is valid, your PC will now restart to complete the upgrade process. Paste or type your Windows 10 Pro product key and click “Next” to start the upgrade process from Windows 10 Home to Pro.

Enter activation settings and open the product key dialogĬlick “Activation” on the right-hand menu and select “Change product key”.Ī blue pop-up with “Enter a product key” will appear.

You can get to the activation settings screen by pressing “Windows + I” and changing to the “Updates and Security” section.

It’s no longer a two-step process and follows the usual upgrade path. Microsoft has made upgrading from Windows 10 Home to Pro with an older product key much simpler in recent times. With that tip, let’s get into how to upgrade without data loss. Microsoft can revoke stolen keys, so there’s always a risk when using unknown sellers.īut if you already own an older Windows version, you can use that as a free Windows 10 Pro key. Such cheap product keys often work just fine to upgrade Windows 10 Home to Pro, though it’s worth noting that you should verify they’re obtained legitimately. Those you can either find on one of your older PCs and use them for a free upgrade or purchase them for just around $5 on sites like eBay. But Microsoft also still accepts product keys for Windows 7 Professional and Windows 8.1 Pro in its place. Usually, Microsoft charges $200 for a Windows 10 Pro product key, but you may be able to get it much cheaper than that due to a workaround. How to Upgrade Windows 10 Home to Pro at no cost Once you have a Windows 10 Pro product key, which can be free or low cost, you can start in just a few clicks.

Contrary to popular belief, an upgrade of Windows 10 Home to Pro doesn’t require a system reinstall.

Upgrade key for windows 10 pro