how to install joomla

[viravith]

I ftp file to public_html and then I delete index.html that exist by defuse . I goto www.morethailand.net why not show installation page.

 

[GamingX]

It shows joomla as already installed. It seems to be setup fine. Please clear your cache and try again.

 

[viravith]

It shows joomla as already installed. It seems to be setup fine. Please clear your cache and try again.

How clear my cache