By: nonomino
Download Future Spheres (current and past versions) for Firefox
Latest Version:
1.0 Updated:
7 years ago Removed
Ready to install?
Future Spheres is available for download. Be careful when installing it.
Available versions
You can find the current and older versions of Future Spheres here. You can download the archived versions or inspect their source codes.
As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 1.0 | XPI · ZIP · Source code | 421.33KB | 0 | 2019-09-05 |
1.0 421.33KB
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Future Spheres ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Future Spheres ZIP file from step 1. Future Spheres is now installed on your browser.
Best Future Spheres Alternatives
Here are some Firefox add-ons that are similar to Future Spheres:
MyFirstTheme
Firefox user 13582707
The first theme
Tor Smedberg
my frist theme
m isa alizehi
Space theme #1
crowbarindonesia
Musssic
hugs44
First theme
Ernesto
First-Theme777
Zahmir
bluespace
YinkoArts
My first theme_1
Nagakrishna
My SkyLine
F4Bri69
My First Theme
jomsky123
My Theme
Firefox user 12732156