Windows 10: Windows 10 Installation with Windows 8.1 Key OEM still possible?

Hi,

I dont know if this is the right subreddit to post, but I'm planning to build me a new computer and I dont know, if I can still use my Windows 8.1 Key for activation?

Im currently running windows 10 on my Dell Optiplex 755 and I think its activated through the OEM Licence (through BIOS I think).

Ive looked if I can somehow register my Windows 8.1 Key at Microsoft to see if I can still activate it, also I tried to change my current Key on my Optiplex 755 to the Windows 8.1 one and it is activated, but I dont know if it took the BIOS Key for activation again.

So I'm somehow lost. Any help would be appriciated. Dont want to buy a new key for Windows 10...

Thanks

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:)

 

Windows 8 key troubles

or just use generic cdkey to install and then that key to activate later

hxxp://superuser.com/questions/697253/clean-install-windows-8-1-or-windows-8-from-oem-key

bellow in comments

 

Installing Windows 10 using Windows 7 key

Nope, you need to install Windows 10 first and make sure the Windows 7 key is transferred to your Windows account after you've installed Windows 10 (not quite sure how that works). I missed the last step and I could not activate Windows 10 after a re-install... Microsoft seem to have done everything they can to make it a PITA. Also, it's technically too late to do this now anyhow, as the upgrade offer has expired. But KMSPico works quite well...

As for getting rid of Windows, delete the Windows folder.

 

windows 10 key

Thanks but I don't want to do any decrypting. I want to download a Win 10 ISO from Microsoft and install it using my Win 8 key. No other steps required. Is that possible?