WooThemes, the developers of WooCommerce, have released a publicly available, free WooCommerce 101 Video Series that helps you get started with WooCommerce.
It starts with installing the WooCommerce Extension on your WordPress powered site and runs all the way through the first settings, creating products, shows you how to set taxes and ends with setting up reports to track your sales and monitoring the system status.
The WooCommerce 101 Video Series can be found on the official WooThemes Documentations Website featuring the following lectures:
A. Settings
01. Installing WooCommerce
02. General Settings
03. Product Settings
04a. Tax Settings
04b. Tax Rate Settings
05a. Checkout Settings
06a. Shipping Settings
07. Accounts Settings
08. Emails Settings
09. API Settings
Payment Gateways
05b. Checkout Settings - BACS
05c. Checkout Settings - Cheque
05d. Checkout Settings - Cash on Delivery
05e. Checkout Settings - PayPal Standard
05f. Checkout Settings - Simplify Commerce
Shipping Methods
06b. Shipping Settings - Flat Rate
06c. Shipping Settings - Free Shipping
06d. Shipping Settings - International Flat Rate
06e. Shipping Settings - Local Delivery
06f. Shipping Settings - Local Pickup
Creating Products
10b. Simple Product Overview
10c. Grouped Product Overview
10d. External/Affiliate Product Overview
10e. Variable Product Overview
10f. Downloadable Product Overview
Store Management
11. Coupons
12. Widgets
13. Shortcodes
14a. Managing Orders
14b. Refunds
15. Reporting
16. System Status
More documentations on WooCommerce including instructions for WooCommerce Extensions, Themes, Sensei & Extensions, Storefront and the WooCodex can be found in the Official WooCommerce Documentation.