https://support.mozilla.org/en-US/questions/new/desktop/other

Hi, goto about:config by typing it in your URL bar and search for these booleans in the search box above the prefs -- double click on these booleans: '''browser.newtabpage.activity-stream.aboutHome.enabled ''' '''browser.newtabpage.activity-stream.enabled''' to set them to false, this will restore your old home page.