Hello, A possible way to do what you want seems to be described here: https://support.mozilla.org/en-US/kb/customizing-firefox-using-policiesjson and here (look at "SearchEngines -> Default"): https://github.com/mozilla/policy-templates/blob/master/README.md
- Changing default search engine systemwide pk
- Re: Changing default search engine systemwide didier gaumet
- Re: Changing default search engine systemwide pk
- Re: Changing default search engine systemwide didier gaumet