http

/www.freedos.org/
How do I install FreeDOS?
It's easy to install FreeDOS. To install, simply download the FreeDOS install CD image. Write this to a blank CD, and boot your computer with it. The automated install program should walk you through the rest.
The FreeDOS 1.2 distribution is available in multiple formats:
We recommend the CDROM installer for most users. The "standard" CDROM image should work on most computers and PC emulators. Older computers may need the "legacy" CDROM image instead.
If your computer cannot boot from CDROM, use the boot floppy. Write this image to a floppy, boot it, then insert the install CDROM when the install program starts up.
If your computer doesn't have a CDROM drive, use the USB fob drive...