GWT supports any of these browsers: Firefox, Internet Explorer (versions 8, 9, 10, and 11), Safari (versions 5 and 6), Chromium, Chrome, and Opera (latest version).
In order to go further in this recipe, it is necessary to install the Google plugin on your Eclipse. All you have to do is go to Help | Eclipse Marketplace. Then, search for
Google Plugin and install the proper one according to your Eclipse version.
Finally, restart Eclipse and you will be ready ...