How to install Firefox add-ons in quiet mode?

After installing the browser Firefox , you need to establish a set of additions, posted on the official source: Firefox Add-ons. This step should be performed without the use of synchronization engine account. Also, I don't use the setting via domain group policy.

I asked a similar question to another browser: How to install extensions when you install the browser C.... Among the options in the documentation have chosen the way of installing extensions using any of the settings in the registry. For example, for 64-bit OS install uBlock Origin using CMD:
reg add HKLM\SOFTWARE\Wow6432Node\Google\Chrome\Extensions\cjpalhdlnbpafiamejdnhcphjbkeiagm /v update_url /d /f > nul

Firefox also has a corresponding initially "empty" registry branch HKLM\SOFTWARE\Wow6432Node\Mozilla\Firefox\Extensions but information on how to use this functionality in the documentation that I can find. On this issue on StackOverflow and other sources on the Internet found the "old" link Adding Extensions using the Windows Registry, but it is redirected to another page of documentation.

You may be able install add-ons Firefox with the Windows registry was removed in the new versions of the browser? Then what are the ways of installation (and removal) of the add-ons of Firefox?
March 19th 20 at 08:27
1 answer
March 19th 20 at 08:29
I put the xpi in the distribution folder\extension of the directory into which you installed Firefox.
What about using the registry? Removed the ability? - lyda commented on March 19th 20 at 08:32
@lyda, And unless Firefox uses the registry? He's, like, all my files are stored. - sherman.Gulgows commented on March 19th 20 at 08:35
@sherman.Gulgows, of course he did! Look at the registry "Firefox". - lyda commented on March 19th 20 at 08:38
@lyda, I can Not have my registry there, I have Linux :-) - sherman.Gulgows commented on March 19th 20 at 08:41
@lydaLooked in the registry Windows, found only registering the install of Firefox on the system and classified it as a handler for html/htm/http/https. More in the registry found nothing. - sherman.Gulgows commented on March 19th 20 at 08:44
@sherman.Gulgows, I question pointed to one of the branches that I have in the registry. - lyda commented on March 19th 20 at 08:47

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