Howto change to another wifi

Jetson has been used in another wifi network.
I like to add my WIFI network and others to current list,
using the HDMI monitor, keyboard and the mouse
Pls guide me how to proceed.

I do not want to rewrite the SD-card from scratch

Thanks and best regards.

Ignore my question.
Answer is on the top righthand side to select the displayed Wifi
Sorry for the inconvenience