Just correct me if i'm wrong about how to do this
Power off PC
Connect SSD
Plug in bootable windows 10 USB
Set USB as 1st in boot priority
Set SSD as 2nd in boot priority
Install Windows on SSD
Remove USB
Delete HDD partitions or format
Reinstall programs
Power off PC
Connect SSD
Plug in bootable windows 10 USB
Set USB as 1st in boot priority
Set SSD as 2nd in boot priority
Install Windows on SSD
Remove USB
Delete HDD partitions or format
Reinstall programs