Our testing is based on PHP 7.0.4 With XAMP portable lite 7.0.4
Download link: https://sourceforge.net/projects/xampp/files/XAMPP%20Windows/7.0.4/
PHP 7 doesn’t support standard mysql connection like mysql_connect, only via PDO or mysqli.
Our script support mysqli perfectly, so If you want to install script to PHP7, you need to define mysqli in database configuration:
Also when configurator is executed you should select mysqli as database connection:
Other is same as with default installation.
Some PHP notices/warnings are still possible in developer script mode, if you using xampp you can disable developer mode by instructions: