How to silently install to the program files folder?

[IRainman]

Hello, I try to silently install utility to the program files, but it's not working. Can I fix that behavior?

@echo off

cd /D %~dp0

set AltSnap_VERSION=1.60

echo AltSnap installation begin...

if %PROCESSOR_ARCHITECTURE% == AMD64 (
	set AltSnap_PLATFORM_ADD=-x64
) else (
	set AltSnap_PLATFORM_ADD=
)

AltSnap%AltSnap_VERSION%%AltSnap_PLATFORM_ADD%-inst.exe /S /D %ProgramFiles%\AltSnap

echo AltSnap installation end.

I use documentation for NSIS framework from here

[RamonUnch]

Actually you need to specify the = after the /D parameter.
I looked it up in the local doc from the NSIS version I am using so it might have been improved lately.
AltSnap1.60-installer.exe /S /D=C:\Program Files\AltSnap
Works for me.

[IRainman]

Thank you very much