If your language isn't saving when you restart Fortnite, these steps should resolve this for you:
- Go to C:\Users\[username]\AppData\Local\FortniteGame\Saved\Config\WindowsClient
- Open GameUserSettings
- At the end of the file, add:
[Internationalization]
Culture=en-US - Save the file.
The Culture should be the language abbreviation you want. Below is a list of all the languages we support:
- Arabic: Culture=ar
- German: Culture=de
- English: Culture=en
- Spanish: Culture=es
- French: Culture=fr
- Italian: Culture=it
- Japanese: Culture=ja
- Korean: Culture=ko
- Polish: Culture=pl
- Portuguese (Brazil): Culture=pt-BR
- Russian: Culture=ru
- Turkish: Culture=tr