Altium Extension Offline Install

Locate the specific extension you need and click the icon.

The offline installation of Altium extensions is a classic case of "it works, but you have to know the trick." For a single user installing a niche translator, the process is manageable. For an IT administrator trying to deploy a standardized installation across an air-gapped company, the process is unnecessarily arduous due to the difficulty of obtaining the installation files and the fragility of the local installation pointers.

Download the image for your specific version of Altium Designer. This file is typically a large ISO image or a ZIP file containing the full installation repository.

Are you trying to install an or a third-party plugin ? Share public link

Visit the Altium Downloads page and sign in with your AltiumLive account. altium extension offline install

Copy the downloaded files to your offline workstation or a local network share via your secure storage media.

Once the user has the files (usually a collection of .zip archives or an internal InstalledCheck folder structure), the installation method varies depending on the file type:

If you know the extension is part of your license but it is not appearing, you can temporarily switch the installation source back to the "Global Installation Service" . Go to Preferences -> System -> Installation and change the source setting. After the list refreshes online and you confirm the extension is indeed available, you can switch back to the "Offline Installation" path to perform the installation from your local source.

To wrap up, here are some key takeaways and best practices for managing Altium extensions offline: Locate the specific extension you need and click the icon

Now, let’s walk through the practical steps of installing Altium extensions offline.

Follow the prompts to request the link; you may need to sign out and back in to see the updated .

Method 2: Installing via an On-Premises Workspace Server (Enterprise Environments)

How to Perform an Altium Extension Offline Install: A Complete Guide Download the image for your specific version of

Locate the extension you need (e.g., MCAD CoDesigner , Ansys Simulation Exporter , or specific device libraries).

Click on the gear icon in the top right corner to open the Preferences dialog. Navigate to System > Installation Management . Locate the Offline Installation section. Check the box labeled Use Local Installation Repository . Click the browse button ( ... ) next to the file path field.

A: You cannot "patch" offline. On the target machine, go to Extensions & Updates > Installed , uninstall the old extension, then run the offline install method with the newer version package.