The PC version of the Far Cry 3 Map Editor can be started by browsing to the games installation folder and then the 'bin' folder. By default this can be found in the following locations:
32bit users - C:\Program Files\Ubisoft\FarCry 3\bin\
64bit users - C:\Program Files (x86)\Ubisoft\FarCry 3\bin\
Double-click the FCEditor.exe file to start the program as seen below:
For help using the editor
For advice on using the many aspects of the Far Cry 3 Map Editor, please join us on our community forums.