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Does a windows 8.1 oem key still work for a windows 10 installation

P4-630

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#1

RCoon

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#2
No, it won't work. That period has ended. If you want Windows 10 you need to buy a Window 10 key.
 

P4-630

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#3

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#4
You can install Windows 10 without a key entirely, and quite easily, but it won't be licensed and will harass you forever. No matter which way you look at it, your non-Windows 10 key will not activate Windows 10.
 

P4-630

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#5
Well...

My samsung 970 evo 500GB arrived today and installed it.
Installed Windows 10 on it via usb stick and used my windows 8.1 oem key.....
Aaaand it says it's activated! So it still works.:):nutkick:
 
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#6
Well...

My samsung 970 evo 500GB arrived today and installed it.
Installed Windows 10 on it via usb stick and used my windows 8.1 oem key.....
Aaaand it says it's activated! So it still works.:):nutkick:
Yes, Win 7 & 8.1 keys can be used to activate Win 10. I did the same with mine, except I used a retail 8.1 key. I'm not sure how it'll handle an OEM key after a bit of time.
 

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#7
I did it for a win 7 machine about 6-8 month ago without any problems.
 

P4-630

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#8
I'm not sure how it'll handle an OEM key after a bit of time.
If it works it works right?
My Windows 8.1 was a genuine version so I don't see any reason that it suddenly might not work anymore overtime.
 
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#9
Yup, I installed W10 for a friend and used his W8.1 key for activation, about two weeks ago.
 
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#10
If it works it works right?
My Windows 8.1 was a genuine version so I don't see any reason that it suddenly might not work anymore overtime.
It also works just fine for non genuine copies aswell I went from pirated Windows 8.1 to genuine Windows 10 and haven't had a activation problem yet and that was with build 1511 I'm now on 1809 and still perfectly fine :peace:
 
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#11
Microsoft never gives me issues on keys anymore, even if re-using multiple times normally they made me call in to activate, now they don't even care. Guess they love all the data mining they get from us now :)
 

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#12
Try and do an upgrade install. It still worked for me a while back with a W7 install, but long after the period had supposedly expired, so it might still be doable. Don't try it without first creating an image of your current Windows installation in case it all goes pear shaped though.

I'm intrigued to know how it turns out. :)
 
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#13
its worked for me just recently on several older laptops with both 7 and 8 oem keys and come to think of it a few dell desktops with 7 keys. as far as i can tell they still want pure numbers and get as many on windows 10 as they can
 

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#14
its worked for me just recently on several older laptops with both 7 and 8 oem keys and come to think of it a few dell desktops with 7 keys. as far as i can tell they still want pure numbers and get as many on windows 10 as they can
Why am I not surprised?
 
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#15
If it works it works right?
My Windows 8.1 was a genuine version so I don't see any reason that it suddenly might not work anymore overtime.
OEM keys are tied to the hardware they first run on. It usually takes a motherboard replacement to deactivate them.
 

P4-630

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#16
Try and do an upgrade install. It still worked for me a while back with a W7 install, but long after the period had supposedly expired, so it might still be doable. Don't try it without first creating an image of your current Windows installation in case it all goes pear shaped though.

I'm intrigued to know how it turns out. :)
I bought a samsung 970 evo for this windows 10 installation and windows 10 is succesfully activated now with my windows 8.1 OEM key.
See https://www.techpowerup.com/forums/...-windows-10-installation.251530/#post-3976579

Currently I have my windows 8.1 installation still on my other SSD which I have disconnected,
if there are no problems in a month or so I will format my windows 8.1 installation on that SSD so I can use it for other stuff.

OEM keys are tied to the hardware they first run on. It usually takes a motherboard replacement to deactivate them.
I know but for now still using the Z170 motherboard, I have no plans to upgrade CPU/motherboard at the moment.
The next hardware upgrade would be a new GPU I think.
 
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#17
My Windows 7 key worked 5 months ago so...
 
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#18
I recently had to reinstall Win 10 and used my Windows 8 retail key and it activated.
Was well chuffed.
 
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#19
If it works now or not depends on if the key was used to activate windows 10 before during the time it was free to do so.
 
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#21
That's not supposed to work anymore. Maybe more of Microsoft's lame duck nonsense of the left hand not knowing what the right hand is doing?
I think they just claim it's not supposed to work, since Win10 being "given away for free" doesn't look good. At the same time, MSFT still wants that sweet, sweet data mine.
 
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#23
I think they just claim it's not supposed to work, since Win10 being "given away for free" doesn't look good. At the same time, MSFT still wants that sweet, sweet data mine.
My win 7 64 pro system builder bought from Newegg and win 7 64 home OEM (from a cyberpower) keys didn't work with Win 10 activation, and they are legit and activate fine with 7. Thats fine with me, because I just ended up sticking with Win 7 and will go to 8.1 when 7 period ends in a year, or I will buy a 10 key at that time. But while a lot of people say they still activate, mine didn't. Funny enough, I have used four different motherboards with that same Win 7 64 system builder key and no issues activating in 7.
 
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#24
It did work the whole 2018. MS wants you to use W10, so why not get few more people on this way? Announce, but still accept the old activation keys and convert them.
 
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#25
It did work the whole 2018. MS wants you to use W10, so why not get few more people on this way? Announce, but still accept the old activation keys and convert them.
Not for me. Tried it Jan and Feb 2018. not a big deal for me, I got 7 working and updating on CoffeeLake anyway with a few workarounds.
 
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