How to get to Paris from Roissy CDG01 by official taxi or public transportation

CDG01 airport terminal has a circular shape ; It is not easy to find your way out of this airport , above all if you are jet lagged .
You arrive in this terminal if you fly
- United Airlines
- Lufthansa - Swiss- Lot - Brussel Airlines
- Turkish Airline - Emirates - Qatar Airlines
- Air India - Eva Air - Air China - Singapore Airlines - Asiana - Ana
and likely some other airlines which i have not mentioned
The video show the right way to gate 24 for the official taxis - fixed price to Paris either the right bank or the left bank - and the access to public transportation by train to Paris
Be aware that there are scammers who are faked taxis in the CDG terminals.