Microsoft Visio Professional 2016 | PC Download Visio Professional 2016 lets you simplify complex information through simple, easy-to-understand diagrams. Easily diagram complex info Visio includes stencils for business, basic network diagrams, organization charts, basic flowcharts, and general multi-purpose diagrams. NOTE: Windows XP and Vista NOT supported. This product requires Windows 7 or newer operating systems. Product download occurs on Office.com. Details about the download process are listed below.