WiX: How to override “C:\Program Files (x86)” on x64 machine in WixUI_Advanced sequence?

Question

I\'m using WixUI_Advanced sequence to allow users pick per-machine or per-user installation and change destination folder. My WiX project is i

Answer 1

I had to change two things to make WIX put my 64-bit app in the Program Files folder:

A. In the WIX Package element, add 'Platform="x64"':

‹Package Description="desc..." Manufacturer="company..." InstallerVersion="200" Platform="x64" Compressed="yes" /›

B. In the Directory element for the top folder, change ProgramFilesFolder to ProgramFiles64Folder:

‹Directory Id="ProgramFiles64Folder" Name="PFiles"›

(I also had to include the ‹program name› .exe.config file in the folder for the program to work correctly)