If you ever want to reinstall Windows 10 in the future, you should be able to use the same Windows 7, 8, or 8. You can also sign in to your new PC with a Microsoft account and that key will be associated with your Microsoft account, making it easy to reactivate your digital license if you ever need to reinstall Windows 10 later. The Best Tech Newsletter Anywhere. Join , subscribers and get a daily digest of news, comics, trivia, reviews, and more. Leo Ooms. Gordon Hay, you have a lot of patience, and in this case it's needed.
Happy computing to all of you! If I have windows 10 home already installed, does it reinstall it again if I upgrade to pro? Just sayin' New year resolution for makeuseof : Quality control, Quality control, Quality control Just only have a try, works like a charm!
A Longtime Muo Reader. Kieron Quinn. If this doesn't activate Windows 10 Pro what's the point? Was this just clickbait? Jace Sheppard. Searching Google with that product key indicates this key has been out since the summer.
I'm sorry if you took this advice to mean that any Pro key would work - a key for another machine which came with an OEM installed Pro version is not valid for use on a different machine in this specific way As far as I know the only key not previosly associated with the machine you want to upgrade that would work is one for a legally-purchased installation disc for an older Pro version of Windows which has not "used up" all the permitted number of installs.
Scroll down for the next article. Don't know what are the differences between Windows Home and Pro edition? Below picture will give you a brief introduction. Not satisfied with installed Windows 10 Home edition on your PC? Are you trying to find a way to upgrade Windows 10 from Home edition to Pro edition for free? Is it possible to free upgrade Windows 10 from Home to Pro edition without a key?
Using an older version's product key to perform this upgrade used to require two steps. Fortunately, in recent feature updates this two-step process isn't necessary. You'll see a succession of progress screens and your system will restart.
After the upgrade completes, you should see a Success notification. Check the Activation screen again to confirm that you're now running Windows 10 Pro. After you've successfully performed a Home-to-Pro upgrade, you can safely throw away the key. Your upgrade is now a digital license, attached to your unique hardware. If you perform a reinstallation of Windows, Microsoft's activation servers will recognize the hardware and activate Windows 10 automatically.
Twice during the installation process, I was prompted to enter a product key. Tell us what we can do to improve the article Submit. Your feedback will help us improve the support experience.
Australia - English. Bosna i Hercegovina - Hrvatski. Canada - English. Crna Gora - Srpski. Danmark - Dansk. Deutschland - Deutsch. The upgrade process takes quite a while to complete so be patient.