Template:aboutconfig

In the [[Search your bookmarks, history and tabs with the Awesome Bar|Location bar]], type '''about:config''' and press {for win,linux}{key Enter}{/for}{for mac}{key Return}{/for}. * The about:config ''"This might void your warranty!"'' warning page may appear. Click {button I'll be careful, I promise!} to continue to the about:config page. [[Template:ShareArticle|link=http://mzl.la/1cBWobA]]

In the Location bar, type about:config and press EnterReturn.

• The about:config "This might void your warranty!" warning page may appear. Click I'll be careful, I promise! to continue to the about:config page.