You can use Site Import extension to transfer your website.
- Login to Plesk.
- Here click on “Extensions” and then “Extensions catalog”.
- After that you have to search for “Site Import” extension.
- You have to click on “Install”.
- Now you have to transfer your website to Domains >> domain.com >> Website importing option.
- Enter the source website domain name and FTP details.
- Click on “Ok”.