1- Visit MAMP website and download MAMP. You have two option and one of them is free. Download free MAMP and install.
2- Visit WordPress website and download the latest version of WordPress.
3- After Install the MAMP, to open settings, press Command (⌘) +Comma (,). Determind your document root from this window.
4- Click ‘Start Server’ and be sure Apache Server and MySQL Server has green points like following image.
5- Click ‘Open WebStart page’.
6- From top menu, click Tools >phpMyAdmin.
7- Click ‘Databases’ from opening window and create new database.
8- Go to your browser and write ‘http://localhost:8888/MAMP/’ and Click ‘MY WEBSITE’.
9- Now you can start install WordPress.
-Select the language
-Enter the information database setup form
Database Name: your_database
User Name (database): root
Password (database): root
Database Host/server: localhost
Table Prefix: wp_
10- Create a username and password with your e-mail.
11- Now you can go to your browser and write ‘http://localhost:8888/wp-admin’.