Opencart SEO url Setting

(1) Turn on the SEO setting from
     System -> Setting -> Server
     Use SEO URL's: YES

(2) Upload .htaccess to your website root. It contents is:
Options +FollowSymlinks
RewriteEngine On
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)\?*$ index.php?_route_=$1 [L,QSA]

(3) In Category data, fill out

SEO Keyword:

for: Opencart  V. 1.5