Firefox tutorial:

Firefox address bar / Single page options menu / Hidden search / Firefox sync / Save favorite pages by pinning them / Bookmark pages / Edit bookmark details / Find bookmarked pages / Ribbon Bookmarks tool / Remove bookmarks / Install add-ons to Firefox / Update add-ons / Transfer Chrome bookmarks to Firefox / Clear cookies and cache in Firefox computer / Delete cookies and cache from Mozilla app on iOS phone / Delete cookies and cache from Mozilla app On Android / Blocking the site in Mozilla / Solving the problem of Firefox crashing / Using Firefox screenshot / Activating the IDM plugin in Firefox browser / Fixing slowness of Firefox