On your target computer, disable Secure Boot (impossible on UEFI only machines—Wary 5.5 requires Legacy BIOS) and set the boot order to USB/CD first.
is a legacy edition of Puppy Linux designed specifically for older hardware (circa 2000–2006). It uses an older 2.6.32 kernel and is built to run on systems with as little as 256 MB RAM and slow CPUs. puppy linux wary 5.5 iso
Because Wary 5.5 is a legacy version, you won't typically find it at the top of modern download pages like PuppyLinux.com. On your target computer, disable Secure Boot (impossible