Visiting a country has some requirements. That is because there are concerns that should be addressed. That is why you need to make the research and preparation so you would not be able to have uncomfortable situations or problems. Visiting the country of France has a requirement and the first thing that you need to prepare is the passport. In every country, you must have a passport. If the visitor came from the European country, they can use their ID card if they have.
If not then they also must bring a passport. Some other nationalities are required to have a visa. It depends on the time that they have to stay in the country. Make your research to know if you are required or not. You can visit the website of the French government to see details.
If you plan to travel using your car then it is best to book for tickets ahead for the holiday or busy season. If not then just show up and buy your tickets.
You can also fly by air going to France. Buy your tickets ahead and you can also shop for a discounted price if any.
The country uses the euro so make sure you have enough money of euro currency with you that you can withdraw from your ATM. You can also use your credit cards.
If you have health insurance then you should use it when traveling to Europe. You can also use your phone in the country. Just notify the operator to enable the international service if you cannot do it manually.