Upload the plugin per (S)FTP or Network Admin/Plugins/Add New/Upload ; then install it.
Activate it as network plugin in Network Admin/Plugins/Installed Plugins. Click Network Activate here.
Go to now, and activate the features you need.
Now go to the Language negotiation – how our redirect feature works. menu entry right below the Multilingual Press section. Find the languages you want to use, and set their to higher values. The original language should always be set to , the translations to a slightly lower value, depending on their quality. This affects the order of the language selectors and the feature. See
Head over to theconfiguration. On each site, go to , and choose a language and the relationships.