Change Language option missing in settings > general

hello.You can use the use wordpress language plugin for changing language option . otherwise u can follow this steps to change ur default language:

-download the languafe file -You can get the language files you need from the WordPress in Your Language web page.
-copy it to your server in the directory ‘wp-content/languages’
-Modify the wp-config.php file. change the language settiong from config file
-Edit the language line. Inside the ‘wp-config.php’ file, you will see the following lines:
define (‘WPLANG’, );
You will need to change this to use the file you just copied to your server. If using the example for French above, you would edit the like to look like the following:
define (‘WPLANG’, ‘fr_FR’);

Visit your Admin Dashboard with your web browser. Your blog should now be displayed in the language you desired.

ref: https://codex.www.ads-software.com/WordPress_in_Your_Language
https://www.wikihow.com/Change-the-Default-Language-in-Wordpress

Dear pg1b2s3f,

thank you for your input. The solution you have suggested worked fine before 4.0 WP but since then it has been changed,

https://core.trac.www.ads-software.com/changeset/29630

WPLANG is deprecated in 4.0. My problem is that I cant find an alternate solution

@bu11ettrain

Could something like this plugin be of any help?

https://www.ads-software.com/plugins/wordpress-language/

hi bu11ettrain,
With WordPress 4.0 the field WPLANG from wp-config.php is depreciated (this was said above), it is now replaced by an option, called WPLANG stored in the database.
u can use $local in wp-config.php (instead of define(‘WPLANG’,’fr_FR’); ) hope this wlo work

$locale=’fr_FR’;