Program Files folder instead of Program Files (x86) installation path in wix

windows-installerwix

I am making a Windows installer and I am using the following directory structure for the installation path:

<Directory Id="ProgramFilesFolder">
   <Directory Id="Company" Name="CompanyName">
      <Directory Id="INSTALLFOLDER" Name="ProductName" />
   </Directory>
</Directory>

The above code snippet will install my app in the "Program Files (x86)" folder. My application only runs on a 64 bit version of Windows so I would like to install it in the Program Files folder instead. How can I do this?

Best Answer

Use ProgramFiles64Folder instead of ProgramFilesFolder.

Besides that, set:

Product/Package/@Platform="x64"

Product/Package/@InstallerVersion to at least 200

Component/@Win64="yes"

For .NET assemblies:

File/@ProcessorArchitecture="x64"

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Windows setup/installer project: Forcing installation into “Program Files”, not x86

What you are asking to do simply isn't possible with Windows Installer with the exception of one unsupported subversive hack.

Set the INSTALLDIR to C:\Progra~1\.....

See, MSI has functionality for backwards compatibility that automatically "fixes" any hard coded references of C:\Program Files\ to C:\Program Files (X86) when the MSI is marked as 32 bit. It fails to calculate the shortname version and redirect it so my hack works. Assuming they haven't disabled short filename system.

The only proper way to install to C:\Program Files is to mark the MSI as 64-bit and use the ProgramFiles64Folder property instead of the ProgramFilesFolder property.

BTW, if your boss won't believe you, then I suggest finding a new boss. I've been writing installers for 16 years and I never let some PHB make decisions like this. I'm the Windows Installer expert, not him.

Best Answer

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Windows setup/installer project: Forcing installation into “Program Files”, not x86

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