Hi camarogirl67,
Once the application is installed you can launch it and start using it. Here are some goods links for getting started:
Illustrator CC tutorials | Learn how to use Illustrator CC
Illustrator Help | Illustrator Help
http://tv.adobe.com/show/learn-illustrator-cc/
http://mashable.com/2010/08/19/adobe-illustrator-tutorials/
Adobe Illustrator for beginners: 11 top tips | Illustrator | Creative Bloq
Thanks,
Nikhil Gupta