When you try to install Office 365 ProPlus, Visio Pro for Office 365, or Project Pro for Office 365, you receive the following error message:
This is not a valid win32 application
This issue occurs if you try to install the program on an operating system that's not supported.
To resolve this issue, make sure that the computer meets the system requirements for the program. For more information about system requirements for Office 2013, go to the following Microsoft TechNet website: