Windows 10: I can't buy windows 10 licence key

Hello. I have issues to buy windows 10 licence key.I bought new laptop pc from a retail suplyer with windows 10 installed.Now I found out that my activation key in invalid.When trying to purchase a new key via Microsoft store I get constant error "Something happened in our end. Waitng a bit my help"78JEmBCy3kqi0uLAy5WhEQ.117.5.2Even when I am going to microsoft stroe to buy win 10 key I get redirected to win 11 which my laptop can't support.

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Two OEM licence keys (different Windows versions) on one PC

Hello,
I'm in the process of building another PC and I want to know if it's possible for two versions of Windows to reside next to each other legitimately. I would have windows 7 and 10 as a dual-boot system. So if I buy OEM keys and activate them would one de-activate the other? I know that OEM licence keys are bound to the mobo and are irrevocable. Any advice is greatly appreciated. Thank you.

 

Reinstalling Windows 10 without a licence key

Hi,

I have a 10 year old laptop which originally was running Windows Vista. Due to the manufacturer date of the laptop, I was entitled to the free upgrade to Windows 7, which I kept until the roll-out of the Windows 10 upgrade. When my laptop upgraded to Windows
10, I did not pay for the upgrade and did not receive a licence key.

1. If I go to the Windows 10 download tool and select install with the 'keep Nothing during the upgrade' option, will I require a licence key?
   
2. Can I build the laptop from scratch if it was originally a Visa machine or will I need to step from Vista to 8.1 to 10?

Regards

Keith

 

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?