Eksil Pup Installation Guide
Note regarding Installing to USB
Puppy Linux has a very unique way of installing to USB. For the best installation it has been proven, that installing from an official Puppy Linux, using the Stickpup USB installer has the best results (especially for UEFI systems).
Using other tools:
Balena Etcher can write to USB and has been proven to provide a bootable USB that will work on BIOS systems.(please see known bugs at the bottom of this page).