Windows 10: Installing Windows 10 Pro on a new PC

Just finished building a new PC and all seemed well until I came to installing my copy of Windows 10 Pro. I’ve set the PC to boot from the USB and all is good until I get to the activation page where it states that it doesn’t recognise the Product Key. I bought it from a local computer shop to ensure that I got a genuine copy which it seems it is all sealed etc. but now I’m unsure. I’m just wondering do Product Keys expire or is it likely I’ve been had?

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Installing Windows 10 on New PC?

I'm going to be building a new PC on Christmas and want to install Windows 10 on it. I have Windows 10 on my current PC, which I installed upgrading from 8.1 with the files on a USB. How do I go about installing a clean copy of Windows 10 on this new PC? I think I recall something about installing it once makes Microsoft recognize your hardware, but since this will be a PC I'm not sure what steps I need to take. Do I need to go 8.1 -> 10 or is there a method of going directly to 10?

 

Installing Windows 10 on New PC?

What's your intended PC specs ??

 

Clean Windows 10 (?PRO?) install

I have bought a legit "Windows 10 Pro" key of a key website. It is legit since i'm currently using it for over a year now. I currently have Windows 10 Pro installed on my PC and I want to do a clean install. I just can't find the windows 10 Pro download in the tool. But if i could use a windows 10 pro key with a normal windows 10 install, I'll be good to go.