Before using the Menu and Bookmark features in Firefox we have to enable that feature by Right clicking on the free tab space of the browser like shown in the below screenshot.
+
To enable bookmark : Right clicking on the free tab space of the browser like shown in the below screenshot.
<gallery mode="packed" heights="400px" caption="Firefox - How to make bookmark">
<gallery mode="packed" heights="400px" caption="Firefox - How to make bookmark">
File:Mozilla how to make bookmark 1.png|Embedding the resource directly to the section
File:Mozilla how to make bookmark 1.png|Embedding the resource directly to the section