Easiest way to show this page is to run the installer and then delete your database (but not configuration.php file).
@ciar4n maybe one for you?
| Labels | 
                                        Added: 
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| Category | ⇒ | com_installer | 
| Status | New | ⇒ | Information Required | 
| Status | Information Required | ⇒ | Closed | 
| Closed_Date | 0000-00-00 00:00:00 | ⇒ | 2017-11-04 06:31:05 | 
| Closed_By | ⇒ | franz-wohlkoenig | 
| Closed_By | franz-wohlkoenig | ⇒ | joomla-cms-bot | 
Set to "closed" on behalf of @franz-wohlkoenig by The JTracker Application at issues.joomla.org/joomla-cms/18487
Sure. I'll have a look at it over the weekend.