This works best if you have a registered copy of WinZip (You may be using WinZip.wzmul in your environment for registration). I usually perform a standard install to a source machine then take a copy of the program files, by default stored in %ProgramFiles%\WinZip.
UPDATE (29/01/2007): Updated with commands to delete icons on Windows Vista/Longhorn
@ECHO OFF
ECHO WinZip 10.0
MD "%ProgramFiles%\WINZIP"
XCOPY /E /V /C /Q /H /R /Y *.* "%ProgramFiles%\WINZIP"
PUSHD "%ProgramFiles%\WINZIP"
START /WAIT WINZIP32 /noqp /notip /autoinstall
POPD
IF EXIST "%PUBLIC%\Desktop\WinZip.LNK" DEL /Q "%PUBLIC%\Desktop\WinZip.LNK"
IF EXIST "%ProgramData%\Microsoft\Windows\Start Menu\WinZip.LNK" DEL /Q "%ProgramData%\Microsoft\Windows\Start Menu\WinZip.LNK"
IF EXIST ""%ProgramData%\Microsoft\Windows\Start Menu\Programs\Startup\WinZip Quick Pick.LNK" DEL /Q ""%ProgramData%\Microsoft\Windows\Start Menu\Programs\Startup\WinZip Quick Pick.LNK"
IF EXIST "%ALLUSERSPROFILE%\Desktop\WinZip.LNK" DEL /Q "%ALLUSERSPROFILE%\Desktop\WinZip.LNK"
IF EXIST "%ALLUSERSPROFILE%\Start Menu\WinZip.LNK" DEL /Q "%ALLUSERSPROFILE%\Start Menu\WinZip.LNK"
IF EXIST "%ALLUSERSPROFILE%\Start Menu\Programs\Startup\WinZip Quick Pick.LNK" DEL /Q "%ALLUSERSPROFILE%\Start Menu\Programs\Startup\WinZip Quick Pick.LNK"
REG ADD "HKLM\SOFTWARE\Nico Mak Computing\WinZip\UpdateCheck" /v NoUpdateChecking /d "1" /t REG_SZ /f
REG ADD "HKLM\SOFTWARE\Nico Mak Computing\WinZip\UpdateCheck" /v AutoMode /d "0" /t REG_SZ /f
