- Download .iso of operating system (ubuntu desktop for this)
- Open VMWare > File > New
- "New Virtual Machine Assistant"
- Create a custom virtual machine
- Continue
- Choose Operating System & Version
- Customize Settings (if you want to change1GB memory & 20GB storage defaults)
- VMware will attempt to boot from CD and then fail
- Menu Bar > Virtual Machine > CD/DVD (IDE) > Choose Disc or Disc Image... > Select .iso file
- Menu Bar > Virtual Machine > CD/DVD (IDE) > Connect CD/DVD
- Wait about a minute for Operating System to start through VMware
- Install
This post is specifically for installing Ubuntu 12.04 into VMware Fusion 5.0 on Mac OSX without the CD/DVD Drive.