you could probably use clonezilla partition copy its freeware and you probably need to make a uefi usb flash disk .
get one of the cheapo usb drives from shopee or lazada.
I used this and preserve my win 8.1 os partition that came with windows 8.1 for my lenovo yp40 notebook and it keeps the lenovo one key partition also.
Just need to download the iso from Microsoft website into a usb then boot from the usb. If you are holding a box full version of windows 7 (which you upgraded to windows 10 previously) your license is probably already tied to your Microsoft account.
This is what I did recently when I upgraded my PC. And for your SSD change only you probably won't even need to reactivate the account.
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