YouTube and Lynda.com have some excellent tutorials. As you begin to familiarize yourself with Fireworks, I particularly recommend these:

Touring the interface

Fireworks CS6 Workshop | by Tom Green

Lynda.com screenshot

View this entire Fireworks Introduction and more in the lynda.com Online Training Library®.

The Application Bar

https://www.youtube.com/watch?v=EljJqbN_E2U

Panels

https://www.youtube.com/watch?v=kiSdmMCu4FY

The Properties Panel

https://www.youtube.com/watch?v=ZKcd1Blc_a0