chrome://version
brave://version
edge://version
From here you can retrieve the users profile path
Open the users profile path in File explorer -> Extensions
The extension will be named a random string, but this is the same <EXTENSION_ID> as from the Google Chrome Web Store when initially installing the extension.
chrome://extensions in the target Chrome browser and enable "Developer mode" by the checkbox in the upper right.Load unpacked extension and choose the version number folder from within the desired extension folderYou have now enabled the Extension for offline machines.