Launch condition in Wix for all the 3 platforms : x64, x86 and ARM64

Question

<?if $(var.Platform) = x64 ?>
  <Launch Condition="VersionNT64 AND (NOT NativeMachine = 43620)" Message="Please run 32-bit installer." />
<?elseif $(var.Platform) = x86 ?>
  <Launch Condition="NOT VersionNT64" Message="Please run 64-bit installer" />
<?elseif $(var.Platform) = ARM64 ?>
  <Launch Condition="VersionNT64 AND (NativeMachine = 43620)" Message="Please run ARM64 installer" />
<?endif?>

But here its getting messed up with the NativeMachine variables.

I tried to change the code of NativeMachine according to this. But looks like the wix installer is not picking up the NativeMachine properly. How do I specify each of the platforms so that the installer installs properly.

miken32 · Accepted Answer · 2025-05-14 20:16:42Z

0

You can use the simplest.

<!-- Installer bitness matches OS bitness. -->
<?if $(var.Platform) = x64 ?>
<Condition Message="!(loc.Windows64Required)">
    <![CDATA[Installed OR VersionNT64]]>
</Condition>
<?endif ?>

<?if $(var.Platform) = arm64 ?>
<Condition Message="!(loc.Windows64Required)">
    <![CDATA[Installed OR VersionNT64]]>
</Condition>
<?endif ?>

<?if $(var.Platform) = x86 ?>
<Condition Message="!(loc.Windows32Required)">
    <![CDATA[Installed OR not VersionNT64]]>
</Condition>
<?endif ?>

Copied from here.

The ARM64 package fails nicely on Windows x64.
Windows ARM64 is happy to take either x64 or ARM64. I don't think it is necessary to verify further. Even if you have that need, you can do it in your main executable.

edited May 14 at 20:16

miken32

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answered May 14 at 20:11

Lex Li

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