install latest version from wordpress main site :
www.wordpress.org

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.htacess will include this codes:

# Block the include-only files.
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^wp-admin/includes/ - [F,L]
RewriteRule !^wp-includes/ - [S=3]
RewriteRule ^wp-includes/[^/]+\.php$ - [F,L]
RewriteRule ^wp-includes/js/tinymce/langs/.+\.php - [F,L]
RewriteRule ^wp-includes/theme-compat/ - [F,L]
</IfModule>
<files wp-config.php>
order allow,deny
deny from all
</files>
<Files .htaccess>
order allow,deny
deny from all
</Files>
# BEGIN WordPress

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Hide version info , In your theme’s functions.php add the following:

// remove version info from head and feeds
function complete_version_removal() {
    return '';
}
add_filter('the_generator', 'complete_version_removal');

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Disable file editing via the dashboard,it's a good idea to disable this method of file editing, by adding the following to your wp-config.php file:

define('DISALLOW_FILE_EDIT',true); //edits

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security plugin name :
Login Security Solution