Clicking on Statistic in sub menu My Account. Scroll down and stop at Money, clicking on Convert button;
Convert $2.40 into 9 days of premium membership at easyhits4u;
taufiks premium membership will be expired at July 4th, 2014.
Thanks to bro abdisukma and sis t13t13n at forum klik aja deh who have assisting me to accomplished.