Android 6.0 Emulator missing in Android Studio
<p>I've installed Android Studio 1.5.1 and everything relative to Android 6.0:</p>

<p><a href="https://i.stack.imgur.com/m603B.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/m603B.png" alt="SDK"></a></p>

<p>However, I can't create an emulator with Android 6.0</p>

<p><a href="https://i.stack.imgur.com/rK81J.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/rK81J.png" alt="System images"></a></p>

<p>How can I fix that?</p>