download and unzip the latest version of wp-filemanager.zip
change the variables in conf/config.inc.php and set your language (bulgarian, danish, dutch, english, finnish, french, german, italian, portugues, russian or spanish) and your home directory (e.g. “../wp-content”)
move the folders conf, docs, icon, incl, lang and the file fm.php to /wp-admin in your WordPress directory
move the file wp-filemanager.php to /wp-content/plugins in your WordPress directory
activate the WP-FileManager plugin in the administration area
FileManager should appear in the navigation of the administration area