To change the language of Facebook to Portuguese (Brasil) or French (France), follow these steps:
1. Log in to your Facebook account.
2. Click on the drop-down arrow in the top-right corner of the screen to access the Settings menu.
3. Select "Settings & Privacy" and then "Language and Region" from the menu.
4. In the "Language" section, click on "Edit" and choose either "Português (Brasil)" or "Français (France)" from the available options.
5. Click "Save Changes" to apply the language change.