PURPOSE : A business model for real estate EC(Electronic Commerce) utilizing the first person view shooting game technology is provided to enable a customer to obtain information for real estate and perform the real estate EC without visit by reproducing appearance of the corresponding real estate through 3D(Dimensional) computer graphics and enabling the customer to browse the appearance.CONSTITUTION : If a user performs login, personal information received from a database server is updated by activating a customized information service window. The customized information service window provides more distinctive services to the users by offering blog containing the personal information such as transaction information and interested items, and dialog type help for transaction, tax, and legal information for the real estate(650). If the user selects the real estate by obtaining detail information for the real estate after installing/executing an FPVP(First Person Viewer Program), the information is automatically updated to the database server and is output to the customized information service window for the next login.? KIPO 2006