Installation (Windows PC's) 1) Unzip the file to a folder of your choice, eg. C:\Garmin\Maps\OFM(EU2024)\ Note: if you have a previous version, uninstall it first. 2) Find Install_OFM_EU2024.exe with your file manager and double click on this file to register the mapset in Mapsource/Basecamp. Make sure Mapsource / Basecamp is not active during the installation. Ignore anti-virus (false) warnings and/or disable it temporarily.