Downloading Maps from the Website Maps for most power commanders are available for different intake and exhaust configurations. Use the following steps to see what maps are available for your power commander. 1 Verify you are connected to the internet. Browse to www.powercommander.com. 2 Click Power Commander III USB & V. 3 Using the drop-down lists, select your Make, Model, and Year. A list of all available maps will be shown at the bottom of the page. 4 Locate the map you need and note the file number. For example, M15-004-000 Zero Map. 5 Click To Download All Map Files Click Here. 6 Click Run. 7 You may need to click Run twice. 8 Open the Power Commander V Software. 9 Click File Open Map File. 10 Select the file you noted earlier. In this example, M15-004-000.pvm. 11 Click Open. 12 Use the Table Manager to select a table to view.