How do you upload a file on gitlab via the web interface?

I'm on gitlab 7.13 and it says 7.9 has the drag and drop feature already. But I can't seem to figure out where it is. Some sites its on the drop down when you add a file, but I dont see anything.

Am I missing something?

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You must select Upload file not New file from the drop down menu of the '+' icon

Click here to see the screenshot which explains it