I think you mean the System partition.
If you have deleted it, then there should be unallocated space where it was previously.
You could create an esp ( aka system ) partition from that unallocated space and populate it using bcdboot command.
I dont know why you want it, but for info This is from the latest iso release
en-us_windows_11_consumer_editions_version_23h2_updated_april_2024_x64_dvd_d986680b.iso
the next updated iso will probably be released around 20th May
Information for Image 1
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Index...
That error can be the result of the wrong mode in bios.
have a look and change it to whatever is the other one
from AHCI/NVMe to RAID ON or from RAID ON to AHCI/NVMe
They have risen steeply over the past several months. Hard to tell if it has peaked. I got a couple of spares when prices were sensible about a year ago.
you could also try nir sofers bootperformanceview. double click on an entry to get a pop up with the breakdown. On my system having the mechanical disk turned on adds considerable time. It is usually off and only switched on as and when needed.