That depends from the OS you installing on. The functions for NSIS installer are below:
######################################
Function InstallNDISHookDriverNT2000XP
######################################
SetOutPath $SYSDIRdrivers
File ......Kernelbinhookdrvi386ndisrd.sys
!insertmacro CreateRegKey ${HKEY_LOCAL_MACHINE} SystemCurrentControlSetServicesndisrd
WriteRegDWORD HKEY_LOCAL_MACHINE SYSTEMCurrentControlSetServicesndisrd Start 1
WriteRegDWORD HKEY_LOCAL_MACHINE SYSTEMCurrentControlSetServicesndisrd Type 1
WriteRegDWORD HKEY_LOCAL_MACHINE SYSTEMCurrentControlSetServicesndisrd ErrorControl 1
${If} ${IsWinNT4}
WriteRegStr HKEY_LOCAL_MACHINE SYSTEMCurrentControlSetServicesndisrd Group "Network"
${Else}
WriteRegStr HKEY_LOCAL_MACHINE SYSTEMCurrentControlSetServicesndisrd Group "Streams Drivers"
${EndIf}
SetRebootFlag true
FunctionEnd
######################################
################################
Function InstallNDISHookDriver9x
################################
SetOutPath $WINDIRsystem
File ......Kernelbinhookdrvwin9xndisrd.vxd
!insertmacro CreateRegKey ${HKEY_LOCAL_MACHINE} SystemCurrentControlSetServicesVxDndisrd
WriteRegStr HKEY_LOCAL_MACHINE SYSTEMCurrentControlSetServicesVxDndisrd StaticVxD "ndisrd.vxd"
SetRebootFlag true
FunctionEnd
################################
############################
Function InstallNDISIMDriver
############################
SetOutPath $INSTDIRinstimtmp
${If} ${RunningX64}
File ......Setupbinamd64DriverSigning.exe
File ......Setupbinamd64snetcfg.exe
File ......KernelINFndisrd.inf
File ......KernelINFndisrd_m.inf
File ......Kernelbinimdrvamd64ndisrd.sys
${Else}
File ......Setupbini386DriverSigning.exe
File ......Setupbini386snetcfg.exe
File ......KernelINFndisrd.inf
File ......KernelINFndisrd_m.inf
File ......Kernelbinimdrvi386ndisrd.sys
${EndIf}
nsExec::ExecToLog /OEM '"$INSTDIRinstimtmpDriverSigning.exe" /verbose /off'
nsExec::ExecToLog /OEM '"$INSTDIRinstimtmpsnetcfg.exe" -v -l ndisrd.inf -m ndisrd_m.inf -c s -i nt_ndisrd'
nsExec::ExecToLog /OEM '"$INSTDIRinstimtmpDriverSigning.exe" /verbose /on'
SetOutPath $INSTDIR
RMDir /r /REBOOTOK $INSTDIRinstimtmp
FunctionEnd
############################
########################
Function InstallLWFVista
########################
SetOutPath $INSTDIRinstlwftmp
${If} ${RunningX64}
File ......Setupbinamd64snetcfg.exe
File ......Setupbinamd64certinst.exe
File ......Kernelbinlwfvistaamd64packagendisrd_lwf.inf
File ......Kernelbinlwfvistaamd64packagendisrd.cat
File ......Kernelbinlwfvistaamd64packagendisrd.sys
${Else}
File ......Setupbini386snetcfg.exe
File ......Setupbini386certinst.exe
File ......Kernelbinlwfvistai386packagendisrd_lwf.inf
File ......Kernelbinlwfvistai386packagendisrd.cat
File ......Kernelbinlwfvistai386packagendisrd.sys
${EndIf}
File ......Setupcertroot.cer
nsExec::ExecToLog /OEM '"$INSTDIRinstlwftmpcertinst.exe" "$INSTDIRinstlwftmproot.cer"'
nsExec::ExecToLog /OEM '"$INSTDIRinstlwftmpsnetcfg.exe" -v -l ndisrd_lwf.inf -c s -i nt_ndisrd'
SetOutPath $INSTDIR
RMDir /r /REBOOTOK $INSTDIRinstlwftmp
FunctionEnd
########################
####################
Function InstallLWF7
####################
SetOutPath $INSTDIRinstlwftmp
${If} ${RunningX64}
File ......Setupbinamd64snetcfg.exe
File ......Setupbinamd64certinst.exe
File ......Kernelbinlwfwin7amd64packagendisrd_lwf.inf
File ......Kernelbinlwfwin7amd64packagendisrd.cat
File ......Kernelbinlwfwin7amd64packagendisrd.sys
${Else}
File ......Setupbini386snetcfg.exe
File ......Setupbini386certinst.exe
File ......Kernelbinlwfwin7i386packagendisrd_lwf.inf
File ......Kernelbinlwfwin7i386packagendisrd.cat
File ......Kernelbinlwfwin7i386packagendisrd.sys
${EndIf}
File ......Setupcertroot.cer
nsExec::ExecToLog /OEM '"$INSTDIRinstlwftmpcertinst.exe" "$INSTDIRinstlwftmproot.cer"'
nsExec::ExecToLog /OEM '"$INSTDIRinstlwftmpsnetcfg.exe" -v -l ndisrd_lwf.inf -c s -i nt_ndisrd'
SetOutPath $INSTDIR
RMDir /r /REBOOTOK $INSTDIRinstlwftmp
FunctionEnd
####################
####################
Function InstallLWF8
####################
SetOutPath $INSTDIRinstlwftmp
${If} ${RunningX64}
File ......Setupbinamd64snetcfg.exe
File ......Setupbinamd64certinst.exe
File ......Kernelbinlwfwin8amd64packagendisrd_lwf.inf
File ......Kernelbinlwfwin8amd64packagendisrd.cat
File ......Kernelbinlwfwin8amd64packagendisrd.sys
${Else}
File ......Setupbini386snetcfg.exe
File ......Setupbini386certinst.exe
File ......Kernelbinlwfwin8i386packagendisrd_lwf.inf
File ......Kernelbinlwfwin8i386packagendisrd.cat
File ......Kernelbinlwfwin8i386packagendisrd.sys
${EndIf}
File ......Setupcertroot.cer
nsExec::ExecToLog /OEM '"$INSTDIRinstlwftmpcertinst.exe" "$INSTDIRinstlwftmproot.cer"'
nsExec::ExecToLog /OEM '"$INSTDIRinstlwftmpsnetcfg.exe" -v -l ndisrd_lwf.inf -c s -i nt_ndisrd'
SetOutPath $INSTDIR
RMDir /r /REBOOTOK $INSTDIRinstlwftmp
FunctionEnd
####################
#############################
Function InstallNDISLWFDriver
#############################
SetOutPath $INSTDIRinstlwftmp
${If} ${IsWinVista}
${OrIf} ${IsWin2008}
call InstallLWFVista
Return
${EndIf}
${If} ${IsWin7}
${OrIf} ${IsWin2008R2}
call InstallLWF7
Return
${EndIf}
call InstallLWF8
FunctionEnd
#############################
#################################
Function InstallWinpkFilterDriver
#################################
${If} ${AtLeastWinVista}
call InstallNDISLWFDriver
GoTo post
${EndIf}
StrCmp $bIMUsed "1" 0 +3
call InstallNDISIMDriver
GoTo post
${If} ${RunningX64}
${OrIf} ${AtLeastWinXP}
call InstallNDISIMDriver
${ElseIf} ${IsNT}
call InstallNDISHookDriverNT2000XP
${Else}
call InstallNDISHookDriver9x
${EndIf}
post:
#Kernel components
SetOutPath $INSTDIRKernelbindlli386
File ......Kernelbindlli386ndisapi.dll
File ......Kernelbindlli386ndisapi.lib
SetOutPath $INSTDIRKernelbindllamd64
File ......Kernelbindllamd64ndisapi.dll
File ......Kernelbindllamd64ndisapi.lib
WriteRegStr HKLM "${REGKEY}" NDISIMUsed $bIMUsed
WriteRegStr HKLM "${REGKEY}Components" Main $availDrv
Call EnableRouter
FunctionEnd
#################################