Here is another series of Quick Start posts in Up and Ready about Product Keys:
1. Identifying your products on the USB media using the Product Key
2. Finding your serial number and product key in the Subscription Center
3. Getting your product key from the compressed downloaded file
4. Autodesk Suites 2012: Which product key would I use if I plan to run a 2011/2010 product?
5. The pattern in the Product Keys
6. A library of all product keys used for Autodesk Software.