To install WordPress on Kali Linux, you can use the following steps:

1. Install the LAMP (Linux, Apache, MySQL, and PHP) stack by running the following command:

sudo apt-get install apache2 mysql-server php7.0 libapache2-mod-php7.0 php7.0-mysql

2. Start the Apache and MySQL services using the following commands:

sudo systemctl start apache2
sudo systemctl start mysql

3. Create a new MySQL database and user for WordPress:

mysql -u root -p
CREATE DATABASE wordpress;
CREATE USER 'wp_user'@'localhost' IDENTIFIED BY 'password';
GRANT ALL PRIVILEGES ON wordpress.* TO 'wp_user'@'localhost';
FLUSH PRIVILEGES;
EXIT;

4. Download the latest version of WordPress from the official website: https://wordpress.org/download/
5. Extract the downloaded file and move it to the Apache document root directory: /var/www/html/
6. Change the ownership and permissions of the WordPress directory:

sudo chown -R www-data:www-data /var/www/html/wordpress
sudo chmod -R 755 /var/www/html/wordpress

7. Run the WordPress installation script by accessing http://localhost/wordpress/ in your web browser.
8. Follow the prompts to complete the installation, including providing the database information you created earlier.

You should now be able to access your WordPress site by going to http://localhost/wordpress/ in your web browser.