Create a FAT32 partition on your SSD/HDD, unpack your .iso there, and you should be able to boot from it. You typically don't have to mark it as an ESP partitio

Create a FAT32 partition on your SSD/HDD, unpack your .iso there, and you should be able to boot from it. You typically don't have to mark it as an ESP partition. It works on most motherboards, but not all.