Open the Project Settings dialog window as described in Editing Project Settings above. In the Runtime section of the dialog, choose From snapshot file in the Startup method drop list. Enter a name for the snapshot file in the Input File field or use the Browse... button to select the file.
Click the OK button to exit the dialog and save changes. Run the project –it should start initialized from the snapshot time. See Initialization and Initial Conditions in the EMTDC section for more details on snapshot files.