The best version of this free mobile game, HighSpeed 3D, will be presented to you, and you will be asked if you wish to install it to your phone. Answer yes to each question. HighSpeed 3D will then be installed on your phone. The installation is done "over the air" (OTA). Your phone company may charge you a small download fee (data charges). This is based upon your data plan; none of that money goes to us. HighSpeed 3D is now ready to play!