So an iOS dev asked you for your UDID.

Play again ยท Dead-simple tutorial by Transit App

⌘+C will copy it to the clipboard. Paste it anywhere!

4. Click on the device serial number to reveal its UDID.

3. Select it from the sources column. Ok..

2. Connect your iOS device to your computer. Easy. Next?

1. Open iTunes. Ok, then?

Yes. How do I find it?