Add the Espressif toolchain https://dl.espressif.com/dl/package_esp32_index.json into Preferences > URL of Board manager
Select the ESP32 board into Tools > Board type > ESP32 Arduino > ESP32 Dev Module
Open the sketch File > Examples > TFLite Micro > hello_world
Build and Load the sketch
Sketch uses 302257 bytes (23%) of program storage space. Maximum is 1310720 bytes.
Global variables use 22504 bytes (6%) of dynamic memory, leaving 305176 bytes for local variables. Maximum is 327680 bytes.
Open the serial console with 115200 8N1.