No matter which OS you installed GNS3 on; the next task is to run GNS3. The Setup Wizard will appear.
Note: When GNS3 starts, it looks for the GNS3 settings file
~/.gns3/gns3.ini (OS X/Linux) or
%APPDATA%\gns3.ini (Windows). If it does not exist, it runs the Setup Wizard. If the Setup Wizard did not run, quit GNS3, delete this file and run GNS3 again.
The process is similar for each operating system, and the Windows setup is shown here, with references to the other operating systems as needed.
Warning: Double check that you completed that important pre-installation prerequisite and already have a router image in your
Images directory, otherwise you won't be able to complete all the steps that the Setup Wizard will ...