Port not showing-up

i'm trying to upload a sketch to a esp8266 but the port isn't showing up, fyi im using the ide 2.0.0
port not showing

Does it have USB or is it connected by a serial adapter?
Which model of ESP8266 is it?

Just a SWAG but if it is Windows you need to have the appropriate driver installed.

Try and follow the steps at Installing ESP8266 in Arduino IDE (Windows, Mac OS X, Linux) | Random Nerd Tutorials to install the package core for your board.

it's connected via usb and it's the nodeMCU Shania Twain - From This Moment On

What operating system?