I realise that editing a K2 Item is different that editing a Joomla Article – in Backend. There are different fields, options and so on.

I have been looking around but I found only options for changing Author publishing status tab and field about the properties of an item (title, category and so on). How to change admin template so, that I can affect other parts of editing a K2 Item?

2 questions

1st
How to change that tabs in content area will always be shown – not displayed as tabs. So that I’ll have to scroll down.

2nd
How to change that Metadata Information is also always shown.


Thanks.

http://imgur.com/H1WtrHD
http://imgur.com/Oiygjyh

You can edit the administrator template and override it, pretty much the same way as the front-end templates.
The files you need to override are located in the /administrator/component/com_k2/views folder.

Do not change any IDs since they are used in multiple JS operations.
Also please backup and be very careful before doing anything, because it might lead to unexpected results.

Sorry to ask again. To where I need to copy these files so that the update will not 'revert' my changes? And is this even possible?
Thanks.

Yes you need to follow the exact same procedure as the frontend templates docs.joomla.org/How_to_override_the_component_mvc_from_the_Joomla!_core