This message is displayed automatically by the Windows installer and cannot be changed.
If you really need a special post, you can try this approach:
- create a custom EXE boot boot that determines whether the target platform is 32-bit or 64-bit
- if it is a 32-bit display of your custom message
- if a 64-bit MSI package start
There is no predefined solution, so you will need to write the EXE yourself. Personally, I don't think it's worth it.
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