I'm a little confused on the process of purchasing a weekly Passe Navigo card when I get to Paris. I've already done the cost analysis and the Passe Navigo is the best option for how I plan to travel while in the Paris region. Do I have to buy the card from an agent/person? Or can you get them from the kiosk? Does there need to be a photo booth nearby?
If I need to purchase from an agent, is it a straightforward transaction? Or should I plan to write down instructions in French for the agent? Just want to make sure I don't accidentally get the wrong card. Thanks!