OS Trisquel 8.
Just tested, it works for me (after reading this:
https://trisquel.info/fr/forum/install-extension-link-wiki-page-abrowser-addon-random-agent-spoofer-not-working-me
).
- [Trisquel-users] The "install extension" link o... svenerik_vn
- [Trisquel-users] Re : The "install extension&qu... david . ducassou