It gets the job done, but it requires significant user intervention and knowledge that should be documented better by the vendor.
Most Altium extensions support offline installation, including: altium extension offline install
: On an online machine, extensions are typically stored in %AppData%\Altium\Altium Designer \Extensions . It gets the job done, but it requires
: A major drawback is that the software will not automatically check for updates. To update or add new extensions later, you must download a completely new Offline Installation Package Acquisition and Accessibility To update or add new extensions later, you
or installation files, Altium would allow users to "snapshot" their entire extension configuration from an online machine into a single, encrypted Extension Pack (.aepk) Smart Dependency Bundling
: Copy the unzipped folder to the offline machine using a flash drive or external storage. Step 2: Configure Altium Designer for Offline Install