Its a ZIP file. Extract it using WinRAR or 7-Zip
You'll get a .ZAR file which contains the actual theme. Drag-n-drop this file to "Add-ons" window in
Firefox and it'll install the theme.
STEP 2: You'll also need to install the "All Glass Firefox" add-on to get the Glass effect
STEP 3: If you also want to get the "Tools" button near "Searchbox" as shown in the screenshot,
install "Personal Menu" add-on
Install Personal Menu : link - https://addons.mozilla.org/en-US/firefox/addon/3895
It'll add the "Tools" button near searchbox. Now right-click on empty area near addressbar or
searchbox and select "Customize" option. Now drag "Bookmarks" button between searchbox and
Now go to "Tools -> Add-ons -> Extensions" menu and select "Personal Menu" from the list.
Click on "Options" button and go to "Advanced" Tab. Enable "Hide Drop-Marker" option. Also
enable "Hide Menus Toolbar" and "Show temporarily by pressing ALT key" options to hide
STEP 4: If you face problem while reading text on inactive tabs, you'll need to apply the code given
in "newtabfix.txt" present in the downloaded ZIP file using "Stylish" add-on.
Install Stylish link : https://addons.mozilla.org/en-US/firefox/addon/2108
Once installed, copy the code from TXT file, click on the "Stylish" icon present in Statusbar and
select "Write new style -> Blank style" option. Now paste the code in text area. Provide a
suitable name to the style and click on "Save" button. That's it.
After following these steps, you'll enjoy the same interface in your favorite browser