Head to the /var/www/html folder to download WordPress. Run these commands:

cd /var/www/html
sudo rm *
sudo wget http://wordpress.org/latest.tar.gz

Extract WordPress files to the current (empty) folder.

sudo tar xzf latest.tar.gz
sudo mv wordpress/* .
sudo rm -rf wordpress latest.tar.gz

sudo chown -R www-data:www-data .

Browse to your IP Address

database name: wordpress

database username: root

database password: raspberry

Database Host: localhost

Table Prefix: wp_