To unload the version of WordPress our language
In order to unload the official version of WordPress in Spanish we must visit the http://es.wordpress.org/ page.
To copy the archives of language to the servant
Once unloaded the up-to-date version more we decompressed file .ZIP. The folder that interests to us is following wp-content/languages that contains the archives among others es_ES.mo , we copied all the folder and we stuck it in the direction of our installation of wordpress in the servant, (EYE the same route wp-content/languages ).
To modify configuration file
In the root directory of our WordPress installation wp-config.php is a called file, we must publish this file. we look for the line where the language is defined, that must put defines (WPLANG, ); and we modified it so that it is this way defines (WPLANG, es_ES); .
To verify changes
We close all the windows that we have open of WordPress and we return to enter to verify the changes. Now our post is in Spanish and if we opened the panel of administration of WordPress we will see that also we have changed the language there