Hi there I still can't figure out how to install Winzip 9 in silent mode.I search throught the archive of this forum and i finally write a batch file like below.It doesnt work .What i am doing wrong here ?? ECHO. ECHO WinZip v9.0 ECHO Please Wait... MD "%ProgramFiles%"\WinZip copy install\Winzip "%ProgramFiles%"\WinZIp start /wait "%ProgramFiles%"\WinZip\WinZip32.exe /noqp /notip /autoinstall Thanks for helping