Whenever I launch the browser and the downloaded version of the game it shows the flash version of the game. Is there a way to make it load the HTML5 version?

Hey my friend played tanki online with me in 2013 and he doesnt like how the new ui looks my old account made back then still has the old ui, and he does not remember his old account. We were wondering if there was any way to make his garage and ui look like the old one. Thnx