How to open dual Thonny instance

By default, Thonny Python IDE allow only one instance running; that means we cannot run two program/device at the same time.

To enable dual instance of Thonny, click on Thonny Menu Tools > Options...

Under General Tab, UN-CHECK the option "Allow only single Thonny instance" option, OK to accept, close and re-start Thonny to make it take effect.

After re-start, you can re-start another Thonny instance from system Menu. Such that you can run/monitor two program for two device at the same time.