Windows 10: I have a question about windows 10 pro installation.

I already have Windows 10 installed on the USB, but, I'm a little confused very tech savvy, but, 70 yrs old : , so, I need a little clarification/help.I have a separate hard-drive/SSD installed that is just going to be dedicated to Windows 10, separately, butI'm still also relying on Windows 7/64 for my daily activities that is also installed on a different hard-drive/SSD in the same computer.What I want to make sure doesn't happen is that the Windows 10-installer tries to stomp all-over my existing c-drivewith Windows 7 on it, and it therefore totally screws that disk up.So, I DON'T want

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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.

 

windows xp installation and dual core am

could someone please list the steps they follow to install windows with a dual core processor and windows xp service pack to. I'm reletively new to amd dual core and i feel i'm missing a step. All help will be appreciated. thanx

 

Clean Windows 10 (?PRO?) install

As far as I am aware there is no Windows 10 Pro version.
But I'd be happy to be wrong.