A 32-bit edition of Lync Server 2013 is not available with this release. Lync Server 2013 is available only in a 64-bit edition, which requires hardware and a 64-bit edition of the Windows Server operating system. For example, there is no support for side-by-side installations of Office 2010 32-bit with Office 2013 64-bit, or for Excel 2010 64-bit and Visio 2013 32-bit.

Note: No support is provided for side-by-side installations of 32-bit and 64-bit editions of Office. Office 2013 64-bit products are only supported on the following Windows operating systems: Office 2013 32-bit products are supported on the following Windows operating systems: Here are supported Windows operating systems on which you can run Office 2013 32-bit and 64-bit programs. When you run Office 2013 32-bit on a 64-bit version of a Windows operating system, the program runs in the 32-bit layer of the Windows operating system. Office 2013 runs on 32-bit and 64-bit versions of Microsoft Windows operating systems. Graphics hardware acceleration requires a DirectX10 graphics card and a 1024 x 576 or higher resolution monitor 1 gigahertz (GHz) or faster x86- or 圆4-bit processor with SSE2 instruction setġ gigabyte (GB) RAM (32-bit) 2 gigabytes (GB) RAM (64-bit)

Microsoft office publisher 2013