2 - Flashing the program to Tobbie II

You will notice the orange LED Light on micro:bit will constantly flash as the program are being loaded into the board

[HOW TO] Transfer code onto the micro:bit via USB

https://support.microbit.org/support/solutions/articles/19000013986-how-do-i-transfer-my-code-onto-the-micro-bit-via-usb

[HOW TO] Transfer code onto the micro:bit via Bluetooth

https://support.microbit.org/support/solutions/articles/19000051025