See Microsoft Office Resources for information about activating Microsoft Office Professional Plus.

(Essential Stanford Software distributes the 32-bit version of all.) Make sure all versions of Office, Visio, and Project are either 32-bit or 64-bit. Visio, the company’s diagramming solution is coming to Microsoft 365 for no additional cost to commercial license subscribers but the news is not all perfect.Click-to-Run technology is used to install Project 2019 and Visio 2019. Office 365 Pro Plus is fully compatible with Project 2019 Professional and Viso 2019 Professional, available on Essential Stanford Software.(Click-to-run is the technology used to install Office 365 Pro Plus Windows Installer technology (MSI) is the technology used to install Visio 2016 and Project 2016.) See Office installed using Click-to-Run and Windows Installer on same computer isn't supported for more information. Office 365 Pro Plus is not compatible with the Windows installer versions of Visio 2016 and Project 2016 that are available from Essential Stanford Software.See Microsoft Office Resources for information about getting software for personal and academic use, support, and training.See Uninstall Office from a PC or Uninstall Office for Mac for instructions on how to remove Office.See What version of Office am I using? if you want to know which version of Office you currently have installed.

Office 365 pro plus visio