You write:
Goto http://192.168.4.1/edit in your browser. You should see a screen that looks like this.
That didn't work for me (I have a ESP-01 that connects to my WiFi at startup)
What i did:
Ater flashing open a serial terminal @9600
You vil see this message (the IP number will be different)
8—þƒ‡H‡þÿSimple Basic Interperter For ESP8266...
file open failed
1234
Connected to
IP address : 192.168.0.104
Point your browser to this IP-number, and click "edit"
Now you can follow the rest of the instructions