Altium Extension Offline Install Jun 2026

Transfer the downloaded ZIP file to your offline workstation using an approved secure storage device (e.g., an encrypted USB drive).

To get the extensions onto your local server, you must perform an initial synchronization or manual import.

After the installation completes, restart Altium Designer to activate the new functionality. 4. Important Considerations altium extension offline install

: Do not delete the unzipped folder after installation; Altium may need to access it again if you decide to add more features or extensions later.

Launch Altium Designer on the offline machine. Click on your user avatar in the top-right corner and select Extensions and Updates from the menu. Transfer the downloaded ZIP file to your offline

Some Altium enterprise accounts allow for the direct download of extension packages. Transfer: Move the .mpc file to the offline machine.

Method 2: Offline Installation via Altium Infrastructure Server (AIS) Click on your user avatar in the top-right

Copy the downloaded repository folder (containing the .all package files, manifest files, and installer executable) to an external storage device.

: Once extracted, you point Altium's preferences to the local unzipped folder. You can then manage extensions through the standard "Extensions and Updates" interface, which will pull data from your local drive instead of the web. Update Limitations