To install the WordPress, follow these steps:

1. Download the newest version of the WordPress from the official website: http://wordpress.org
2. Unpack the folder where it is needed.
3. Create an empty database (probably with phpmyadmin).
4. In the root of the WordPress directory, rename the file wp-config-sample.php to wp-config.php
5. In this file, change the settings for your DB (DB_NAME, DB_USER, DB_PASSWORD, DB_HOST, DB_CHARSET – if needed).
6. Follow the link http://mysite.com/wp-admin/install.php, then enter your username and password, click ‘Install WordPress’.

For more information:
https://codex.wordpress.org/%D0%A3%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%BA%D0%B0_WordPress