bool StatusOfLED = true;
byte StatusOfButton = 0;
long TimeOfStateNumber0, CurrentTime = 100;

void setup()
{
    pinMode(4, OUTPUT);
    pinMode(8, INPUT_PULLUP);
}

void loop()
{
    // In This Case The StatusOfButton Of The Button Will Be Chaging Several Times Before
    // You Release Your Finger From The Button And This Is Wrong So The Solution Is
    // To Changing The StatusOfButton Only If I Release My Finger From The Button

    // if (digitalRead(8) == false)
    //     StatusOfLED = !StatusOfLED;

    switch (StatusOfButton)
    {
        case 0:
            if (digitalRead(8) == false)
            {
                StatusOfButton = 1;
                TimeOfStateNumber0 = millis();
            }
            break;

        case 1:
            if (digitalRead(8))
                StatusOfButton = 0;
            else if (millis() - TimeOfStateNumber0 > CurrentTime)
            {
                StatusOfLED = !StatusOfLED;
                StatusOfButton = 2;
            }
            break;

        case 2:
            if (digitalRead(8))
                StatusOfButton = 0;
            break;

        default:
            break;
    }

    digitalWrite(4, StatusOfLED);
}