The closest airport to Station F is Paris-Orly Airport. From there, you can take a taxi or a ride-sharing service for a travel time of about 30 to 45 minutes depending on traffic.
Alternatively, you can take the Orlybus to Denfert-Rochereau and then transfer to Metro Line 6, which will take you to the "Bercy" station. From there, you can walk to Station F following the directions mentioned earlier.
If you're arriving at Roissy-Charles de Gaulle Airport, you can take the RER B to "Châtelet-Les Halles" and then transfer to Metro Line 14, which will take you to the "Bibliothèque François Mitterrand" station. From there, you can follow the directions mentioned earlier.
To find the best itinerary, download the app Bonjour RATP - the official Paris Transportation Service App - or Citymapper.