firefox-esr-l10n-uz software package provides Uzbek language package for Firefox ESR, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install firefox-esr-l10n-uz
firefox-esr-l10n-uz is installed in your system.
Make ensure the firefox-esr-l10n-uz package were installed using the commands given below,
$ sudo dpkg-query -l | grep firefox-esr-l10n-uz *
You will get with firefox-esr-l10n-uz package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Language packs |
| Package | firefox-esr-l10n-uz |
| Version | 45.4.0esr-2 |
| Description | Uzbek language package for Firefox ESR |
| Sub Section | Localization |