Be careful with old versions!
These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.
If you don't already have it, please install the language switcher.
Once both are installed you will need to go to the Tools -> Languages menu and change your language to Northern Sotho.
The work started with a review of terminology used throughout Firefox. Then commenced the review of existing translations and translation of new texts. Fixing critical errors highlighted by our quality checks was the last step. The language pack has been in a limited beta to check for technical errors.