Altium Extension Offline | Install

Your (Standalone file or Private License Server)

Some advanced extensions require specific licensing tiers that may not be present in your standalone license file.

Which you need to add (e.g., specific CAD importers, simulation tools)

: Offline machines can be licensed using a Standalone license file ( .alf ) or through a Private License Service provided by an Altium On-Prem Enterprise Server.

Download the repository files or offline installation packages ( .bls or bundle files) for the specific extensions you require. Step 2: Set Up the Local Infrastructure Server altium extension offline install

Individual design engineers must point their Altium instances to the local company server.

This error occurs when the extension package you downloaded is for a different version of Altium Designer than the one you have installed. For example, a plug-in designed for AD24 will not install on AD21.

Defense, aerospace, and corporate environments often enforce an air-gapped network policy to prevent data leaks.

Engineers working in secure, isolated, or high-security environments often need to install Altium Designer extensions without an active internet connection. This comprehensive guide provides step-by-step instructions to download, manage, and install Altium extensions offline using a local vault, the Altium Infrastructure Server (AIS), or manual installation packages. Why Use Offline Installation for Altium Extensions? Your (Standalone file or Private License Server) Some

When you install offline, you are version-locking your environment. You are saying, "I do not want the latest cloud-synchronized features that might break my workflow; I want this specific functionality, right now, forever." It provides stability. In a professional environment where reproducibility is key, knowing that your team is running the exact same extension build—without wondering if someone auto-updated overnight—is invaluable.

Some extensions rely on Windows components like .NET Framework or specific C++ Redistributables. If the extension fails to load after an offline install, check the Windows Event Viewer to see if a system-level dependency is missing on the offline PC. If you'd like to dive deeper into this, let me know: Which version of Altium you are using. If you are managing a single workstation or a large team . If you need help with offline license activation as well.

In the AIS web interface, navigate to the > Plugins or Software tab.

A: No. Never. Altium extensions are build-specific. Attempting this will corrupt the target installation, often requiring a full Altium reinstall. Step 2: Set Up the Local Infrastructure Server

If you can’t simply hit "update" within the software, here is the step-by-step guide to managing an Altium extension offline installation. Phase 1: Preparing the Offline Installation Files

For engineering managers and IT administrators looking to manage Altium across an entire organization offline, the is the enterprise-grade solution. The NIS is a part of the Altium Infrastructure Server that allows an organization to perform installations or updates to Altium products over their local network, completely independent of a global internet connection once the initial setup is complete.

Installing an extension offline does not automatically bypass licensing. Ensure your offline standalone license ( .alf file) or local private license server covers the capabilities of the extension you are trying to install.