Microsoft Office Visio 2010 Download Free
Microsoft Visio Premium 2010 (64-bit) takes diagramming to a new level with dynamic, data-driven visualization tools and templates, enhanced process management capabilities, and advanced Web sharing. Bring real-time data together from multiple sources, including Excel and Microsoft SQL Server, in one powerful diagram using vibrant graphics like icons and data bars. 
Manage processes with sub-processes and rules and logic validation to ensure accuracy and consistency across the organization. Create SharePoint workflows and export them to Microsoft SharePoint Server 2010 for real-time execution and monitoring.
Download Visio 2010 Software
Mahabharat 2013. There used to be downloadable free versions of Microsoft Visio. But I think now you can only do a 30 or 60-day trial version then you have to purchase one at the end of the trial period. Depending on your needs, there are few types of plans for Microsoft Visio which are: Visio Standard 2016, Visio Professional 2016, and Visio Online Plans. 