- Login to Plesk
- On the left sidebar, click Applications

- On the Applications page, this section displays all of the applications, free and commercial, that are available for installation.
- Click install drop-down and select the version you want to install

- Check the terms checkbox and click next

- Specify the directory you want to install your WordPress and set the administrative credentials here

- Also set up the database and the passwords

- Click install to finish installation in the specified directory.