Description Thank you for downloading this update file from Zoo Admin.To use this update file, unzip it to your Desktop. Then move the .ztd file into your Updates folder inside your Zoo Tycoon directory.The default is C:Program FilesMicrosofThank you for downloading this update file from Zoo Admin. To use this update file, unzip it to your Desktop. Then move the .ztd file into your Updates folder inside your Zoo Tycoon directory. The default is C:Program FilesMicrosoft Gamesoo