Log in to LottoGo.com, select the product you want to buy and add it to the shopping cart, and select the corresponding LottoGo.com Promo Codes to complete the payment. It should be noted that LottoGo.com Promo Codes has corresponding conditions of use. The way to check the conditions of use is to click LottoGo.com Customer Center and find My Coupon Codes page, then you can browse the LottoGo.com Discount Codes and there are usage rules at the bottom of each coupon.