The first time I installed Windows 7 it was on a small SSD, so I pre-partitioned the drive so that the installer would not create those extra recovery partitions. Subsequently I migrated the installation to a larger SSD with the same partition layout (just extended the Windows partition to take up all of the newer drive).
Now however I want to perform a clean install of Windows 10 after deleting the single Windows 7 partition so that the extra partitions are created, because I can spare space for them. My understanding is that this will require me to install twice - upgrade once just to tie Windows 10 to my hardware, then clean install after which it should get activated automatically. Is that correct?
Clearly it would be advantageous in many ways (less time and effort, less wear and tear on my drive) to both upgrade and have all the extra partitions created in one go. Is there any way at all to achieve this?
Alternately, can I not just boot using the Windows 10 ISO, have it recognize the activated copy of Windows 7 (or enter my Windows 7 key), do its fingerprinting, and then use the installer to delete all partitions and clean install?