Once you have found the products you want to order, you will need to add them to your Cart.
There are two main methods for adding items to your Cart
Via Product Catalog
To add items to your Cart via Products Tab
2) Click Add to Cart to add the product to the Cart
3) If the item is configurable then read this article on Configurable Items
To add items to your Cart via Carts
1) Navigate to the Carts tab
2) Under the list of items in the Cart click Add a Sku...
3) Type the SKU number into the field
4) Click the correct SKU when it appears in the list of SKUs
5) If the item is configurable then read this article on Configurable Items