Follow this instructions to activate your UploadField on OS 1.0 Themes like Debut or Minimal.
Go to your App Section and click on the UploadField App.
The App Dashboard is opened. In the middle you can see the button “New upload field”.
Click this button to create your first UploadField.
Name your UploadField unique. You can later change the name or the settings below. First click now on the save button.
After you have saved your new UploadField, this will show in the App Dashboard: