If you're a French national applying in French:The first step to getting your visa for Taiwan is to fill in a form online. You need to ask for a visitor's visa. Next you have to gather together all the documents required and send them with the signed and printed form to the embassy (passport, bank statements, return flight tickets or proof of your capacity to buy them and a check for 86€).
After that, you will need to book an appointment with the office representing Taipei and present your application.
Other nationalities:Please visit the official website to check if your nationality is eligible for a WHV in Taiwan :
https://visawebapp.boca.gov.tw