1. Go to the "Gare Saint Lazare" train station in Paris.
2. Take the RER line C towards "Versailles Château Rive Gauche" or "Versailles Chantiers".
3. Get off at "Versailles Château Rive Gauche" station if you want to visit the Palace of Versailles, or "Versailles Chantiers" station if you want to explore the town of Versailles.
By bus:
1. Go to the "Pont de Sèvres" bus station in Paris.
2. Take bus line 171 towards "Versailles Place d'Armes".
3. Get off at the "Versailles Place d'Armes" stop, which is located near the Palace of Versailles.
By car:
1. Take the A13 highway from Paris towards "Rouen".
2. Take the exit "Versailles-Chantiers" and follow the signs for "Château de Versailles".