Altium Extension Offline Install -

In the path field, browse to the folder on your USB or network drive where you stored the offline repository files. Phase 3: Installing the Extension

Extensions often have dependencies. If you manually copied only one folder, the installation might fail. Always copy the full "Repository" structure provided in the offline installer download.

Click the button (the gear icon) in the top right corner. altium extension offline install

Even with extensions installed, remember that your Altium License must also be handled offline using a .alf license file, as the software cannot "phone home" to the Altium On-Demand license server. Why Install Offline?

Altium uses a "Local Installation Service" to mimic the cloud repository. You need to point your software to your local files instead of Altium’s servers. In the path field, browse to the folder

Once the path is set, Altium will "see" the extensions available in that folder as if they were live on the web. Stay in the tab. Click on the Purchased or Installed sub-tab.

If the extension doesn't appear, verify that the offline package version matches your installed Altium Designer build (e.g., AD24 files won't work with AD23). Always copy the full "Repository" structure provided in

Since your target machine has no internet access, you must first use a computer with an active connection to gather the necessary files.