Question obtaining windows 10 question

May 19, 2020
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Hello

I am building a brand new pc and have a question about obtaining windows 10.

In 2013 January I had purchased Windows 8 Pro via Microsoft website and I still have the product key for it. The PC where I ran this Windows 8 Pro is not any more available. It died and I junked it.

Will it be possible to install above Window 8 Pro on the new build and activate it using the product key. And then upgrade it to windows 10 without any additional fee?

If that is not an option, can I run windows 10 without activating it? And still get security updates?

Thanks.
 

R_1

Illustrious
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in order asked
it should activate for you if the key is not in active use on another machine.
IDK for sure, I think the free upgrade ended.
yes
yes

update: found this
 
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howtobeironic

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Jun 16, 2018
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In my case I managed to use the Windows 8 (not 8.1) key came embedded with the PC to do the upgrade. Free upgrade period might have ended but activation servers still accept 7/8/8.1 keys. Just say "I don't have a product key" when it asks first and activate on the next boot. If it somehow does not activate you might need to set an 8 up, then upgrade it to a 8.1 then try the activation again (though Windows rolled back 8 medias a long time ago and since I ran through the same hurdles, I know it's a pain to get an 8 install media. Maybe ask MS?)
 
May 19, 2020
23
2
15
0
In my case I managed to use the Windows 8 (not 8.1) key came embedded with the PC to do the upgrade. Free upgrade period might have ended but activation servers still accept 7/8/8.1 keys. Just say "I don't have a product key" when it asks first and activate on the next boot. If it somehow does not activate you might need to set an 8 up, then upgrade it to a 8.1 then try the activation again (though Windows rolled back 8 medias a long time ago and since I ran through the same hurdles, I know it's a pain to get an 8 install media. Maybe ask MS?)
I do have Windows 8 Pro media on bootable USB pen drive. I had saved it originally when I bought it.
 

USAFRet

Titan
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Even though the free upgrade period is officially over, using a previous valid Win 7 or 8.1 license does work to activate a new fresh Win 10 install.
You do not need to boot up from the WIn 8 media...just apply that license to the new Win 10 install.
 
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USAFRet

Titan
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For a new system, you'd have two ways forward.

1. Clean install of 10 on the new system. Apply the existing Win 8 license.

2. Install Win 8, Upgrade that to 8.1, then Upgrade that to Win 10. There was no inplace upgrade from Win 8 to Win 10. Only 7 or 8.1.

#1 is highly preferable.
 
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Lewis7150

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May 26, 2017
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I’m about to do the same. I have Windows 10 home pro saved to a bootable CD with a new licence key from eBay to activate it. Worked last time I did it with win 7 and 8. Microsoft website is well expensive
 

USAFRet

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I’m about to do the same. I have Windows 10 home pro saved to a bootable CD with a new licence key from eBay to activate it. Worked last time I did it with win 7 and 8. Microsoft website is well expensive
There is a reason fleabay licenses are so cheap. Because they're often/usually not really valid.
And yours is a whole different case. The OP here is not looking to buy a new license, but rather use the valid one he already has.
 
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