unattend and add w2ksp4 to windows 2000 pro

[diablo1]

how can i make windows 2000 pro unattended add the serial numnber and add the sp4 W2KSP4_EN.EXE

update with nlite. in addition, i have these three programs, can i add these as well or are they unnecessary

SP4ExpressForWindows2000ProEN.exe

WindowsInstaller-KB884016-v2-x86.exe

Windows2000-KB891861-v2-x86-ENU.EXE

thanks