If you have a valid product key for Visio Standard 2016, this is the safest and most reliable method.
Install Visio or access Visio for the web - Microsoft Support microsoft visio standard 2016 64 bit download
Visio Standard 2016 remains a powerful tool for business diagramming. When downloaded from legitimate sources, it provides years of stable service without recurring fees. Download wisely, install carefully, and diagram effectively. If you have a valid product key for
A: For normal diagrams (under 50 shapes), you will not notice a difference. For diagrams with hundreds of shapes, data graphics, or linked Excel data, the 64-bit version is significantly more responsive. or linked Excel data