"copy and paste" tools
How do I add "copy and paste" tools to my tool bar?
How do I add "copy and paste" tools to my tool bar?
Todas as respostas (2)
Right-click on a toolbar or the 3 bar menu then Customise Toolbar. You will see an icon for those tools; drag it to where you want it on the toolbar. In my browser, it is labelled "Edit Controls".
https://support.mozilla.org/en-US/kb/customize-firefox-controls-buttons-and-toolbars
Check with the site that your trying to install the "Copy and paste" tools from on how to install their software.