What do I need to get BackWPup running smoothly?
To have BackWPup running smoothly on your website, it should meet the following requirements:
At least WordPress 3.9
At least PHP 5.6
To get the full functionality of this plugin:
PHP 5.6
mysqli
FTP
gz
ZipArchive
curl
Even if your website doesn』t offer the features listed under 3., BackWPup can be used. In this case the features which use these requirements will be not available.