2) Download the other image. Put it on the box (on an attached usb stick or harddisk) and flash it via flash image in E2. There you can decide into which “slot” (multiboot partition) you want to install the image.
3) All 4 images are in the flash. You don’t need to attach a USB stick to use the 4 images.
Edited by betacentauri, 18 January 2018 - 00:33.