Thank you Robin. I downloaded and installed Python 3.11 Windows 64bit. New Download "bme688_development_kit_software_v2-0-9" When I try to Flash to designated com port 14 I get this error message. No install yet : Enter COM port number (e.g. COM21)14 esptool.py v3.3 Serial port 14 Traceback (most recent call last): File "esptool.py", line 5387, in <module> File "esptool.py", line 5380, in _main File "esptool.py", line 4687, in main elif args.no_stub: File "esptool.py", line 114, in get_default_connected_device _esp = chip_class(each_port, initial_baud, trace) File "esptool.py", line 320, in __init__ self._port = serial.serial_for_url(port) File "serial\__init__.py", line 90, in serial_for_url File "serial\serialwin32.py", line 64, in open serial.serialutil.SerialException: could not open port '14': FileNotFoundError(2, 'The system cannot find the file specified.', None, 2) [10460] Failed to execute script 'esptool' due to unhandled exception! Enter any key to exit.....
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