They already can? https://support.mozilla.org/en-US/kb/customizing-firefox-using-group-policy-windows https://support.mozilla.org/en-US/kb/customizing-firefox-

They already can? https://support.mozilla.org/en-US/kb/customizing-firefox-using-group-policy-windows https://support.mozilla.org/en-US/kb/customizing-firefox-usi... https://support.google.com/chrome/a/answer/187202?hl=en https://support.google.com/chrome/a/answer/187202?hl=en