TomTom One downloads are map updates that are available for various TomTom GPS devices. TomTom.com provides maps for users to purchase and download. As of 2016, the company releases quarterly map updates for its devices. A one-year plan includes all four yearly map updates of the United States for $64.95, while one map update costs $49.95. TomTom map updates are also available for several other countries around the world.
To correctly download a map update, users must accept a free upgrade to TomTom Home and then update the software on the GPS device. A new SD card with more memory space may also be necessary for some new map installations. As of 2016, TomTom.com provides the free software to update maps on its devices via Windows and Mac computers.
To access the TomTom One downloads, click on the Navigation menu on the top of the home page, and then select the Maps and Services link. Next, click the Details link under the Maps section of the Web page, and then select the Buy Now icon on the next page. The new page that appears features a drop-down menu to select the correct TomTom model name. Select the One model and the correct country for the update, and then purchase the available map.