Translating the interface
You can contribute to interface translations using a tool called fink.
Sign in using your GitHub account.
Click the 'fork' button at the bottom of the page. You may need to refresh the page to start contributing.
Select the language(s) you wish to translate, or add new ones.
When you are done, you can press the button at the bottom of the page to push the changes you made.
When your translations are ready, on .
Read for more information.