However, what happens when your design machine is disconnected from the internet? How do you install a critical simulation tool or a new footprint generator when the Altium server is unreachable?
On your internet-connected computer, open Altium Designer. Go to → Installed or All .
Do not delete the unzipped offline folder after installation. Altium may need to reference it to add or repair extensions later.
Navigate to your Altium installation folder (usually C:\Program Files\Altium\AD<version>\ ). Use the following syntax:
Locate the extension you need (e.g., specific importers, exporters, or simulation tools) and click the Install icon.