Overview of Making an ISO 9660 Cross-platform Disc
Making an ISO 9660 cross-platform disc involves these steps:
1Select the ISO 9660 Format.
2 Add files to the disc.
3 Configure the ISO 9660 disc.
4 Record the first session of the ISO disc.
You can also record additional sessions if you do not close the disc, or work directly within the ISO 9660 window.

See Also:

What Is an ISO 9660 Disc?
Selecting the ISO 9660 Format
Recording an Additional ISO 9660 Session
Working with the Select ISO 9660 Window