To install CreativY - HTML Web Template you can use two methods:
Upload files to the server using cPanel (cPanel provide to you your hosting provider)
To upload files to the server:
Log in to your account (hosting),
Upload your choosen template version to the server - ZIP file (all versions can be found in "Versions" folder).
Unzip files in following folder on server: public_html
You are ready to go.
Upload files to the server using some ftp client (Example - FileZilla)
FileZilla website: https://filezilla-project.org/
Please, download the newest FileZilla version.
For more info how to upload your website/template on the server, check this link: