Demo test la phien ban thu nghiem duoc thiet ke de kiem tra va danh gia hoat dong cua mot san pham, phan mem hoac he thong truoc khi dua vao su dung chinh thuc. Thong qua demo test, nguoi dung co the trai nghiem cac tinh nang co ban, phat hien loi va dua ra phan hoi de nha phat trien kip thoi cai thien. Day la buoc quan trong giup dam bao san pham van hanh on dinh, toi uu hieu suat va mang lai trai nghiem tot nhat khi ra mat.