I got questions like: Can I replace my motherboard without reinstalling windows? or: Replacing motherboard how does that work with windows 10.
BEFORE you install a new motherboard and CPU, and you upgraded your windows 7 or 8 to windows 10, watch this video, it will explain what you need to do to make it as smooth as possible.
In short:
add a Microsoft account, install the creators update and THEN replace your motherboard/CPU.
if you did the MS account, and then upgraded your motherboard (as I did) the only way to fix it is the phone activation. I was helped by Microsoft chat support, on showing of my valid windows 7 key. He tried a couple of things and eventually came down to doing a phone activation (but he did it for me).
PC Specs:
CPU: AMD Ryzen 7 1700 (8 core 16 threads)
Memory: G.Skill 32GB DDR4-3200 32GB DDR4 3200MHz
CPU cooler Noctua NH-D15 SE-AM4
Motherboard: Asus Crosshair VI Hero (aka ch6)
Graphics: MSI RX 480 Gaming X 8G
OS: Windows 10 pro 64 bit
Main HD: Crucial MX 100 SSD (512 GB)
Recording drive: 2 TB Western Digital Sata3
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