Sync Project with Gradle icon missing in Android Studio

Question

I am new to Android Studio. I am currently following this tutorial by Google. They seem to have a Sync Project with Gradle icon option. But I can't find that in my Android Studio.

Their icons( https://codelabs.developers.google.com/codelabs/tensorflow-for-poets-2-tflite/#4 ):

I can only see this:

Answer 1

Go to File -> Sync Project with Gradle Files from the menubar.

I can also find that icon on the basic toolbar:

If it is not there for you, you can restore it from the settings File -> Settings -> Menus and Toolbars :