Please note an update from steam is going to be required to be installed before the game will be able to run. This will require a cable/broadband connection to receive this update in a suitable amount of time. The length of this download is purely based on your connection speed and communication with Steam's servers. Average download times can vary from 30 minutes to over 3 hours depending on your connection to the internet. Please be prepared for this download. If you notice the update is stopped, you may want to contact support Steam support to troubleshoot your connection. The can be reached at http://support.steampowered.com