Setup Base Pages

Setting up Shop Page: Go to WooCommerce > Settings > Products (tab) > Display and choose choose from dropdown list: Shop Page.

For other pages, like Cart and checkout pages etc please go to Checkout and Accounts tabs.

To read more about setting up products with variations, different attributes or variable pricing, please check these useful links:

1. Managing Products: http://docs.woothemes.com/document/managing-products/
2. Product Variations: http://docs.woothemes.com/document/product-variations/
3. 7 simple steps of basics of WooCommerce variable pricing: http://chrislema.com/woocommerce-variable-pricing-one-size-doesnt-fit-all/