Download DNN and install it on Windows/IIS with SQL Server or Azure SQL. Follow prerequisites, folder permissions, IIS bindings, database setup, and the installation wizard to get running fast.

This is the official website of the DNN Platform community. DNN Plaform is the largest and most popular open source CMS on the Microsoft ASP.NET stack. As a content management system and web …

Apr 28, 2026 · Browse DNN Platform releases with version history, release notes, security fixes, breaking changes, upgrade guidance, and download links.

Apr 22, 2026 · Ask and answer DNN questions. Get help with installation, upgrades, modules, themes, providers, performance, security/RBAC, and administration. Search archives or start a new topic.

The official documentation site for the DNN Platform (formerly DotNetNuke) - the leading open source Microsoft .NET CMS

5 days ago · Read the latest from the DNN community: release announcements, tutorials, best practices, security notes, events, and contributor spotlights.

Apr 8, 2026 · I am currently upgrading a website from DNN version 10.2.1 to 10.3.0, and I have encountered an issue where the main navigation menu has completely disappeared after the upgrade.

DNN 9.13.10 is now available, which includes fixes for all known security vulnerabilities. For sites not already on DNN 10, this upgrade is a must-have. Brian Dukes 2025-12-16 7 DNN Release

See community activity for DNN: commits, releases, issues, pull requests, contributors, events, and resources—track project health and get involved.

For DNN Platform versions 10.2.0 and later If you are upgrading from a version of DNN Platform 10.2.0 or later, please follow the detailed steps outlined in the Post-10.