Avant Browser 2015 build 1 is now available for download to those who are using Windows. Avant browser 2015 a quick overview Avant Browser has three Rendering Engines built-in namely Trident, Gecko and Webkit, the engines behind Internet Explorer, Mozilla Firefox and Google Chrome respectively. From the power of 3 you can select which engine so that web pages are rendered correctly without any glitches. Also users can set up default engines to particular websites from avant browser option. Avant browser 2015 features Ad and flash animation blocking Sometimes ad are so annoying because some of them when clicked, popup