Mozilla removes full offline installers for all languages from ‘download developer edition in your language’ page. We all know Mozilla offers stub installer for their Firefox browser in release, beta, Developer edition and Nightly versions.
We still able to download full installer for any Firefox channel by selecting ‘Systems & Languages’ from the channel page. This is not working or possible now for dev edition, as Mozilla is listing small installer for languages there.
How to Download Firefox Developer edition offline installer
2. Depending on the Operating System (Windows, Linux or Mac) and version (32 or 64-bit), download the appropriate file to your computer.
3. Run it to install latest dev version offline on your computer.