Before the Blynk library can work, you must install the ESP8266 board support via Tools > Board > Boards Manager .
Serial.println("Connected to WiFi"); Blynk.begin(auth, WiFi, ssid, password);
void loop() Blynk.run();
void sendSensor()
The .zip file remained tucked away in the "Libraries" folder, a silent hero ready to give soul to the next piece of silicon that dared to dream of the Cloud.
I notice you're asking about the library zip file.