yumi-multiboot-usb-creator

yumi-multiboot-usb-creator/

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I use it for years to install  Windows ,
on a single USB stick 16GB You can istall
a lot of isos,Windows,Linux,antivirus etc

There is also a UEFI version, but a never used it
With Rufus  only one iso an be installed,with Yumi many till the USB stick is full

icy

Hi,

I use Ventoy for the same purpose.
Just copy a few ISO's on the usb drive and boot them, great for testing purposes, since you can just delete/replace the iso files.