Tableau is a data visualization and analytics package that enables users to connect to a variety of data sources and explore the data in a simplified way. The drag and drop interface makes it very easy to visualize and create interactive dashboards without any programming skills.
Here is a list of resources that will help you to learn Tableau.
Free Training Videos from Tableau learning site
The Tableau website offers a variety of training options to help users learn how to use Tableau step by step. Registration is necessary before you will be given access to the training.
The community forums are a wonderful source of information to answer Tableau related questions.
One way that you can learn Tableau is by examples created by others. You can download the Tableau workbooks from Tableau Public Gallery and use Tableau desktop to view, edit and learn how to create your own visualizations.
Discover upcoming live webinars on the Events page.
Access the complete library of previously recorded webinars.
LinkedIn Learning (formerly Lynda.com) has a great variety of training videos about Tableau:
Chat 24/7
Call Us 
Contact a Subject Librarian