Dia for Windows 11/10/7 – Download & Install Guide
Dia on Windows · Updated October 2026 Dia is a free, open-source diagram editor for drawing flowcharts, UML diagrams, network maps, ER diagrams, and circuit schematics. This page covers everything Windows users need: where to get a safe installer, how to install it on Windows 11, 10, 8, or 7, and how to fix the…