como hago un scritp para que se instale los programas

hola estoy trabajando con win 7 ult. y RT7 Lite.
ya lo que me falta es que el mismo instale una aplicaciones extras.
por ejemplo un win rar- luego lo descomprima- instale XY programas que estaban en dicho folder. este es mi script no se si tiene algo malo
Código
mdow @ /HID
@echo off
 
REG ADD %KEY%\005 /VE /D "WinRAR.3.91.x32" /f
REG ADD %KEY%\005 /V 1 /D "%systemdrive%\install\WinRAR.3.91.x32\setup.exe /s" /f
 
SET KEY=HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx
 
REG ADD %KEY% /V TITLE /D "Installing Applications" /f
 
REG ADD %KEY%\005 /VE /D "Adobe Reader 6" /f
REG ADD %KEY%\005 /V 1 /D "%systemdrive%\apps\AdobeReader6\AR6.msi /qn" /f
 
REG ADD %KEY%\015 /VE /D "Alcohol 120" /f
REG ADD %KEY%\015 /V 1 /D "%systemdrive%\apps\alcohol\setup.exe /qn" /f
REG ADD %KEY%\015 /V 2 /D "REGEDIT /S %systemdrive%\apps\alcohol\register.reg" /f
 
REG ADD %KEY%\025 /VE /D "Diskeeper 8" /f
REG ADD %KEY%\025 /V 1 /D "%systemdrive%\apps\DiskeeperPro_8.0.459.exe /s /v/qn" /f
 
REG ADD %KEY%\030 /VE /D "DU Meter 3" /f
REG ADD %KEY%\030 /V 1 /D "%systemdrive%\apps\dumeter3.exe /VERYSILENT /SP-" /f
 
REG ADD %KEY%\035 /VE /D "Flashget 1.4" /f
REG ADD %KEY%\035 /V 1 /D "%systemdrive%\apps\flashget\fgf140.exe /S" /f
REG ADD %KEY%\035 /V 2 /D "REGEDIT /S %systemdrive%\apps\flashget\register.reg" /f
 
REG ADD %KEY%\037 /VE /D "IsoBuster 1.5" /f
REG ADD %KEY%\037 /V 1 /D "%systemdrive%\apps\IsoBuster1.5.exe /VERYSILENT /SP-" /f
REG ADD %KEY%\037 /V 2 /D "taskkill /F /IM isobuster.exe" /f
 
REG ADD %KEY%\040 /VE /D "Kerio Personal Firewall 2.1.5" /f
REG ADD %KEY%\040 /V 1 /D "%systemdrive%\apps\KPF\Setup.exe -s" /f
 
REG ADD %KEY%\047 /VE /D "MSN Messenger 6.1" /f
REG ADD %KEY%\047 /V 1 /D "%systemdrive%\apps\MSN_Messenger_6.1.0202.msi /qn" /f
 
REG ADD %KEY%\050 /VE /D "Nero Burning ROM 5.5" /f
REG ADD %KEY%\050 /V 1 /D "REGEDIT /S %systemdrive%\apps\nero\register.reg" /f
REG ADD %KEY%\050 /V 2 /D "%systemdrive%\apps\Nero\Nero551054.exe /silent /noreboot" /f
 
REG ADD %KEY%\053 /VE /D ".NET Framework 1.1" /f
REG ADD %KEY%\053 /V 1 /D "%systemdrive%\apps\dotnetfw.exe" /f
 
REG ADD %KEY%\055 /VE /D "TweakUI Powertoy" /f
REG ADD %KEY%\055 /V 1 /D "%systemdrive%\apps\Powertoys\TweakUI.msi /qn" /f
 
REG ADD %KEY%\060 /VE /D "Task Switcher Powertoy" /f
REG ADD %KEY%\060 /V 1 /D "%systemdrive%\apps\Powertoys\TaskswitchPowertoySetup.exe /s /v/qn" /f
 
REG ADD %KEY%\065 /VE /D "Sun Java 1.4.2" /f
REG ADD %KEY%\065 /V 1 /D "%systemdrive%\apps\SunJava\j2re-1_4_2_01-windows-i586.exe /s /v/qn" /f
REG ADD %KEY%\065 /V 2 /D "REGEDIT /S %systemdrive%\apps\SunJava\RemoveSunJavaUpdateCheck.reg" /f
 
REG ADD %KEY%\070 /VE /D "Symantec AV Corp 8.1.1" /f
REG ADD %KEY%\070 /V 1 /D "%systemdrive%\apps\SAVCorp8.1.1.314.exe /qn" /f
 
REG ADD %KEY%\075 /VE /D "WinRAR 3.20" /f
REG ADD %KEY%\075 /V 1 /D "%systemdrive%\apps\WinRAR320.exe /s" /f
 
REG ADD %KEY%\080 /VE /D "Importing Registry Tweaks" /f
REG ADD %KEY%\080 /V 1 /D "REGEDIT /S %systemdrive%\apps\regtweaks.reg" /f
 
REG ADD %KEY%\085 /VE /D "Cleaning Up and Rebooting" /f
REG ADD %KEY%\085 /V 1 /D "%systemdrive%\apps\cleanup.cmd" /f
 
EXIT