Ensure you have your domain and host account ready as this is the platform on which you will be running the system. Login to your cpanel or FTP as the case may be using your login details as provided. When you successfully log in, click on Database Manager form the menu to create a database and database user. Ensure you link the database user to the created database. Open the created database via PHPMyAdmin and upload the SQL file in the SQL folder of the script
Get back to your Cpanel main page and click on File Manager form the Icon to navigate to the file manager.
in your file manager, navigate to the folder you would love to install the script on...most likely it is public_html or www folder. When in this folder, click on the upload icon form the menu. This takes you to a new page. Click on the upload button and select the sipped script from its location on your computer. After successful upload, extract the zip file unto the folder
Form the extracted folders, fine "app" folder and open it, navigate to the .env file from the list of files in it. This is the file you will need to connect the script to your created database. Open the file to edit it and supply your database name, database username and database password. After this, set your email server from the .env file in order to be able to receive emails from the system. Click on save when done with editing
Navigate to your Cpanel main page and click on php version. Change your PHP version to 7.1+