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Windows 10 Insider Preview Setup and Installation Threads in this forum will remain active until the product is released. At that time, we will create new forums and archive this forum to enable forum users to search threads, but not create new threads or posts. Microsoft Office key not working on windows 10. Koentro Nov 28, 2016, 5:28 AM. Good morning, guys. I have had a key for Microsoft Office 2013 since I used Win 7. I updated Win 7 to Win 10 and used. Windows 10 product key not working after clean install I installed windows 10 on top of Windows 7, but then did a clean install afterwards from an image on a USB drive. I wrote down the product key from the first install after scraping it with a program. To ensure that you always have a working Windows 10 product key free of charge, and save you the need to buy Windows, we’re going to be updating our list of keys from time to time, so make sure to check back soon whenever you don’t find Windows 10 keys that don’t work for you. When one installs Windows 10, it will ask you a product key for Windows 10. If you don’t have Windows 10 serial key then you cannot proceed further. If you want to install windows or test windows without entering Windows 10 activation key then you can use the generic version that runs Windows OS for 30 days successfully.

Installation Code/Product Key/Serial Key of Windows 10 Microsoft has released the technical preview code for Windows 10 and use the below mentioned code to activate OS, Have a look at what’s new in Windows 10 while you keep its Preview edition on download.

I just did a fresh Window 10 installation from .iso files on the computer I was running Windows 7 on before. I have the original Windows 7 DVD's, with a valid key that I was using before.

Now I tried to enter the key of my Windows 7 DVD, but Windows 10 says it's not valid.

As far as I knew we were able to use those Win 7 keys on Win 10. What is wrong?

Twisty ImpersonatorMr.BoonMr.Boon

6 Answers

Unfortunately, you must upgrade an existing installation before you are able to do a clean install of Windows 10. It is only once an upgrade has been done that you have a Windows 10 license at all.

After an upgrade has been performed that PC is licensed to use Windows 10 and a clean install can be done. During the clean install the product key entry should be skipped (multiple times if required) - the PC will still automatically activate when installation is complete.

From what I understand Windows considers the motherboard to be the PC for the purposes of licensing, as long as the motherboard is the same the PC is licensed for Windows 10

For more detailed information on performing a clean install, see this article.

In light of some of the confusion around this it's worth pointing out that although a lot of the Windows 10 licensing messaging has been unclear, the upgrade first requirement for clean installs has been something Microsoft have been talking about for as long as they have been talking of Windows 10 clean installs - so the system is 'working as intended'. It is, of course, entirely possible that Microsoft will create a new system for this soon, but for now this appears to be the only option.

Note that currently some people are having trouble activating Windows 10 despite having legitimate versions - these problems seem to resolve themselves in time

Edit: Removed unnecessary information about retrieving product keys

The rules are changing..

Up til now, to qualify for your free upgrade to Windows 10, you were required to successfully complete an upgrade on a qualifying machine before you could then perform a clean install of Windows 10.

As from Insider Preview Build 10565 you can now activate using an existing Windows 7, 8 or 8.1 key which was previously used on that machine.

From the Windows blog by Gabe Aul - Announcing Windows 10 Insider Preview Build 10565

Device activation improvements: We have received a lot of feedback from Insiders on making it easier to activate Windows 10 on devices that take advantage of the free upgrade offer to genuine Windows by using existing Windows 7, Windows 8 or Windows 8.1 product keys. If you install this build of the Windows 10 Insider Preview on a PC and it doesn’t automatically activate, you can enter the product key from Windows 7, Windows 8 or Windows 8.1 used to activate the prior Windows version on the same device to activate Windows 10 by going to Settings > Update & security > Activation and selecting Change Product Key.

If you do a clean install of Windows 10 by booting off the media, you can also enter the product key from prior Windows versions on qualifying devices during setup. Refer to the Insider Hub for more information on these activation improvements including requirements.

EDIT -
.and breaking news [which I hope to keep updated with more official sources, once known] which includes the same activation information
Windows 10 Fall Update is Set for November Release

TetsujinTetsujin

Earlier this month I did a clean install of Windows 10 Pro build 1067 on a Hewlett Packard G6 laptop, using the Windows 7 key off the COA when prompted during install.

I also have a Lenovo laptop that it looks like I'm going to have to start over on because it's rejecting the COA Win 7 key after Windows 10 is installed.

Microsoft is still accepting Windows 7 and Windows 8 keys for 10, but for some reason only during install - though while searching for if it's possible to make it take the key post-install - it looks as though MS is not accepting ALL Win 7 COA keys.

So if you have a computer that came with an OEM install of 7, 8 or 8.1, try the COA key while installing 10. It'll either work, or not. If it works you save the bother of installing Windows twice then cleaning up after the upgrade, or wiping it and installing Windows a 3rd time.

In case of a hardware change

In situations such as after changing your motherboard, which everybody believes the Windows 10 upgrade license activation process is tied into, you need to

1. Install the original Windows 7/8 again and activate it with your original Windows 7/8 license,
2. Either do the Windows updates to get the Upgrade to Windows 10 notification (specifically KB3035583 update), or burn the ISO file for Windows 10 into a DVD and install it (Choose upgrade, not the fresh install) from within your original Windows 7/8. (Note 3)

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The process above will register your new hardware against your free Windows 10 license (Upgraded from Windows 7/8). Now you can do a fresh install of Windows 10 and skip all the License Key (two of them I believe) during the installation process and it's guaranteed your Win 10 will be active after the end of this process.

Note: Since my Windows 10 was already set up (However showing me no Activated after the hardware change) and in a working state, I have done the steps 1 & 2 on a separate HDD, which lead to registering my new hardware with the Win 10 license and then plugged the original HDD back on with my configured Win 10 and it was activated after this process. Then I didn't need to set up my Windows from the scratch again.

Note 2: I have contacted Microsoft and they couldn't activate the Win 10 on the new hardware and recommended the steps 1 & 2.

Note 3: Be reminded that step two is only going to be active till July 2016 and after that, you won't be entitled to a free upgrade of Windows 7/8 to Windows 10 anymore.

MehradMehrad

The key must have been activated with the original version of Windows it was tied to. In case if you upgraded to Windows 10 say by a clean install without having first activated the original version of Windows with the key then you will have to go back i.e. reinstall the old version and activate first.

For OEM software license holders, it seems the solution is to install Windows 10 first (fresh or not) and bypass the key input screen. Once Windows 10 is installed goto Settings -> Update & Security -> Activation -> Change Product Key then you ender your OEM key and it should work. I'll test this myself soon.

protected by Community♦Jul 30 '15 at 18:38

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10 Key Not Working On Windows 10

Unfortunately we do not provide you with any retail Windows 10 Product key here, sorry, you’re at the wrong website. But wait – we would like you to offer atleast valid and working generic windows installation keys to install Windows 10. As said, all of the example keys provided below are installation keys only. These keys will not activate your Windows 10 (neither of the available versions). Generic Windows 10 keys are default keys that are inserted if you choose to skip entering a product key during the installation process.

If you are looking for a valid retail Windows 10 Key we’d like you to take a look at the keys below. You’ll find a link to where you can buy Windows 10 Product Keys for any version out on the market. The prices for the Windows 10 Keys differ based on your choice of the selected version of Windows 10.

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The Windows 10 product keys listed in this section can also be used with unattended installations (unattended.xml) of Windows 10. Though they are blocked at the Microsoft clearinghouse and therefore cannot be used to activate any productive systems to fully working retail installations. Keys provide you with a couple of days for you to complete the Windows 10 activation process. The keys supplied do not depend on the architecture. They will work on either x86 (32 Bit) and x64 (64 Bit) installations of Windows 10.

It is absolutely essential that you use the correct type of Windows 10 Product key. Choose the key corresponding to which edition of Windows 10 you’re on to install.

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