From the home page, select Install apps (usually in the top right). If you don't see it, navigate to the Apps section on the left sidebar.
Inside the "Apps & devices" section, you will see options for various Microsoft software. download visio from office 365
If you have a standalone version of Visio (like 2016 or 2019) already installed, it may conflict with the 365 version. It is usually best to uninstall older versions before installing the new one via the menu in Windows. From the home page, select Install apps (usually