Article ID: 2858199 - View products that this article applies to.
When attempting to install 32-bit version of Windows 8 on a Surface Pro, you may encounter the following symptoms:
The Surface Pro only supports 64-bit version of Windows 8 Enterprise and 64-bit version of Windows 8 Professional operating systems.
Install a supported operating system such as 64-bit version of Windows 8 Enterprise and 64-bit version of Windows 8 Professional.
(http://go.microsoft.com/fwlink/?LinkId=151500)for other considerations.