How to install Firefox add-ons in silent mode?

Question

Windows

After installing the Firefox browser , you need to install a certain set of add-ons posted on the official source: Firefox Add-ons . This action must be performed without using the account synchronization mechanism. Also, I don't use domain group policy setting.
I asked a similar question for another browser: How to install extensions when installing browser C... . Among the options offered in the documentation, I chose the method of installing extensions by entering parameters into the registry. For example, for a 64-bit OS, installing uBlock Origin using CMD:

reg add HKLM\SOFTWARE\Wow6432Node\Google\Chrome\Extensions\cjpalhdlnbpafiamejdnhcphjbkeiagm /v update_url /d https://clients2.google.com/service/update2/crx /f > nul

For Firefox, there is also a corresponding initially "empty" registry branch HKLM\SOFTWARE\Wow6432Node\Mozilla\Firefox\Extensions , but I can not find information on using this feature in the documentation. On this question on StackOverflow and other sources on the Internet, I found the "old" link Adding Extensions using the Windows Registry , but it redirects to another documentation page.
Maybe the ability to install Firefox add-ons using the Windows registry was removed in new versions of the browser? Then what are the ways to silently install (and remove) Firefox browser add-ons?

Answer 1

You need to place xpi in the distribution\extension folder of the directory where firefox is installed.