: This feature is specifically designed for users behind strict firewalls or on production computers with zero network connectivity. How to Access the Offline Installer

Go to your user profile icon (top right) and select Extensions and Updates . Select Extensions:

Browse here to find available extensions. Since you are pointed to the offline source, Altium will list what is included in that local package.

. This is a comprehensive solution that allows for the installation of the software and its extensions without an active connection to the Altium Cloud Repository Core Functionality & Ease of Use

Obtain Extension IDs from Altium’s official extensions catalog or a reference installation.