A dedicated Enter key is generally only present on extended keyboards with a numeric keypadâ--âit's the key in the lower-right corner and is generally the only oversized key on the keyboard that is larger vertically, not horizontally. Its Mac key code is 76 [...]. Just look at such a keyboard: the Return key says "Return", and the Enter key says "Enter". If your keyboard doesn't have a dedicated Enter key, you can type the Enter key by pressing Fn-Return. That's why some Return keys have "Enter" printed in small type above the word "Return". If your keyboard has neither a dedicated Enter key nor an Fn modifier key, I don't think you can type Enter. [...]
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