Ok, you might want to downgrade to Firefox 3.5.9 or try out one of the nightly builds of Firefox and grab a Windows 7 Aero Theme for Firefox 3.7a4pre. Yep, it’s doable! A nice extension (All-Glass 2.1.4) also adds the Aero Firefox theme to Firefox 3.5 – 3.7a1pre.

Quick Links:

• Firefox Aero Theme for Firefox 3.7a4pre
• Firefox Aero Theme for Firefox: 3.5 – 3.7a1pre

How to install Firefox Windows 7 Aero Theme

1. While using Firefox 3.5.9 or Firefox 3.6, visit the site of the Firefox addon Stylish over here:

Stylish Firefox addon

Right-click on the green install button and click on “Save as”. Save the Firefox extension somewhere on your hard drive.

2. Download and install the latest Firefox build (3.7apre4 right now):

Download Nightly Firefox Build

3. Enter about:config into the address bar.
4. Right-click and select “New” – “Boolean”.
5. Insert the following line: extensions.checkCompatibility.3.7a (if you are using 3.7b, change this accordingly)

6. Double-click on “false”
7. Drag and drop the addon-2108-latest.XPI file into your new Firefox. Install the extension and restart Firefox
8. Congratz, you just installed Firefox 3.7a and Stylish.
9. Go to http://userstyles.org/styles/26873
10. Click on “Install with Stylish”:

11. Optionally, you can install the Firefox 4 theme for Firefox 3.7a:

Download Firefox 4 theme

Enjoy the Windows 7 Firefox Aero Theme

You can now fully enjoy the Aero theme:

More Windows 7 Aero Themes

Download Free Windows 7 Aero Themes

• 
  Black Ops 2
• 
  Halo 4
• 
  God of War 4
• 
  Crysis 3