Note: Microsoft enforces a strict rule that you cannot mix architectures. If you have 32-bit Office 2013 installed, you must install 32-bit Visio 2013. If you have 64-bit Office, you must install 64-bit Visio. System Requirements for Visio 2013
Optimized for use on Windows 8 and newer devices with touch capabilities. Standard vs. Professional: Which Version Do You Need? Visio 2013 Standard Visio 2013 Professional Best For Individuals & basic diagramming Teams & technical power users Templates Business, flowcharts, org charts All Standard + Engineering, Maps, Software/Database Data Linking Yes (Excel, SharePoint, SQL Server) Collaboration Advanced co-authoring & SharePoint integration Industry Standards BPMN 2.0, IEEE, UML 2.4 System Requirements for 64-Bit Installation
Microsoft no longer provides security patches, non-security updates, or assisted support for Visio 2013.
: If you only need to open and view Visio files, Microsoft provides a free Visio 2013 Viewer (available in 32-bit and 64-bit). This allows you to see diagrams inside Internet Explorer without a full license. Better "Forever Free" Alternatives