Click the (top right of the Extensions page) to open the Installation Manager Preferences . In the Source section, uncheck the Altium Cloud option. Check the box for Local Installation Repository .
Method 1: Installing via the Offline Installer Package (Recommended for Standalone PCs)
To install Altium Designer extensions in an offline environment, you must download the from the Altium Downloads page while on an internet-connected machine. This package is a zipped collection that includes both the core software and its extensions. 🛠️ Step-by-Step Offline Extension Installation 1. Acquire the Offline Package
Log in to the Altium Downloads page. Instead of the standard web installer, look for the Offline Installation Solution . altium extension offline install
Now, let’s walk through the practical steps of installing Altium extensions offline.
Installing Altium extensions offline is a straightforward process once you understand the underlying ecosystem. Whether you are a single designer in a lab with no internet access or an IT administrator for a multinational engineering firm, Altium provides the tools necessary to manage software extensions efficiently without a global connection.
If you can tell me the (e.g., AD24, AD23) and which specific extensions you need to install, I can give you more specific, tailored instructions. Share public link Click the (top right of the Extensions page)
This comprehensive guide walks you through the step-by-step process of performing an offline installation of Altium Designer extensions, ensuring your isolated design environment remains fully capable and up to date. Understanding Altium’s Offline Ecosystem
Navigate to the page within Altium (accessible via the DXP menu).
: Switch to the Purchased tab. You should now see the extensions included in your offline package. Method 1: Installing via the Offline Installer Package
Pay close attention to version numbers when downloading extensions. Always download the version that matches your specific Altium Designer build. The error message will often state the required version. For example, it might say the extension requires a version of "24.0.1 or above". In this case, you need to go back, download the correct version of the file, and try again.
Browse for your .adextension file and proceed with the installation. Troubleshooting Offline Installation
With the source set to the local folder, you can manage extensions through the standard interface.