Microsoft offers a fully functional 30-day trial of Visio Professional 2021. This is the safest way to test before buying. Simply search “Visio 2021 free trial” on Microsoft’s website.
If you’ve come across a web page titled or similar, you’re likely looking at a directory listing on a server — not an official Microsoft page. Such indexes are common on educational, enterprise, or less formal download sites. Here’s what they typically contain and how to approach them safely. index of visio 2021