Microsoft Visio 2007 Professional English - Portable version. No install needed, no administrative rights needed, just copy the files to any drive / folder and use it.

Original Visio 2007 downloaded from here: https://www.piratebays.to/torrent/3625650/Microsoft_Office_Visio_Professional_2007
Portabilized with ThinApp: https://www.piratebays.to/torrent/6002767/VMware-ThinApp-Enterprise-4.6.0-287958-withSerial.rar

Microsoft Visio, (formerly known as Microsoft Office Visio), is a commercial diagramming program for Microsoft Windows that uses vector graphics to create diagrams.