Get real-world insights with data-linked diagramming in Visio Online Plan 2. Create simple diagrams in your favorite browser with Visio Online. A familiar, Office Online-experience makes it easy for anyone to use. Gain new data insights Embed Visio diagrams directly into Power BI to combine operational and business insights for unified perspectives on your data.
But just in case the Help section will be very useful for you since it includes complete information about the program. Microsoft Office Visio Professional offers powerful solutions for diagrams. Use it for your own personal projects or for professional reasons, it will be useful for explaining your thoughts and ideas.
Microsoft Visio - How to download and Install Microsoft Visio 2013 + MS Activation