Hey @Kalupade104! Welcome to the forum! You can build your bZ4X on the Toyota website but it will only forward you to your nearest dealer. You're best to reach out to your local dealer(s) directly to place your reservation.
www.toyota.com

Toyota bZ4X - Take Charge of the Future | Toyota.com
Visit the official Toyota site to explore the features of the new bZ4X, or find a local dealer to learn more about this unique Battery Electric Vehicle.