You can definitely use our eCommerce module to sell Digital products.
If your product is shipped in a DVD/Flash drive format, then you just need to use the eCommerce feature as guided in our video tutorials. As you receive the order, you can ship the product.
However, if you sell downloadable product, you can yet use the eCommerce feature as guided in our tutorial and when you receive the order, you can email the download link to your customers.
Please refer the tutorial link for setting up your eCommerce store: