Free Download Microsoft Office Home and Business 2013 for Windows

Office 2013 runs on 32-bit and 64-bit versions of Microsoft Windows operating systems. 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. Here are supported Windows operating systems on which you can run Office 2013 32-bit and 64-bit programs. Office 2013 32-bit products are supported on the following Windows operating systems:

• Windows 7 (32-bit or 64-bit)
• Windows 8 (32-bit or 64-bit)
• Windows 8.1 (32-bit or 64-bit)
• Windows Server 2008 R2 (64-bit)*
• Windows Server 2012 (64-bit)**

Office 2013 64-bit products are only supported on the following Windows operating systems:

• Windows 7 (64-bit)
• Windows 8 (64-bit)
• Windows 8.1 (64-bit)
• Windows Server 2008 R2 (64-bit)*
• Windows Server 2012 (64-bit)**

Note: No support is provided for side-by-side installations of 32-bit and 64-bit editions of Office. 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.
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. A 32-bit edition of Lync Server 2013 is not available with this release.