How T o Customise The Title Bar of Firefox

 Follows These Steps:-        

1.Open Firefox on your computer. Click "Tools," then "Add-ons" on the menu bar.
        
2.Click the "Learn More" button in the "Get Add-ons" page. A new tab opens in Firefox.
           
3.Enter "title bar" in the search box and click the arrow button. Select one of the add-ons in the list that allow you to change or customize the text in the Firefox title bar. Highly-rated add-ons that let you do this include "Titlebar Text," "Titlebar Tweaks" and "Customize Titlebar." Click one of the links to open the add-on download page.
        
4.Click the "Add to Firefox" button on the selected add-on page. Wait for Firefox to download the add-on and display the confirmation window. Click the "Install Now" button.
        
5.Click the "Restart Now" when prompted. Firefox closes and restarts.

6.Click "Tools," then "Add-ons." Click the downloaded title bar add-on, then click "Options."

7.Click the "Customize Titlebar" or "Edit Titlebar Text" button. Enter the custom text to display in the Title Bar. Click "OK" or "Finish." Restart the browser if prompted.