can someone tell me if it is ok to interchange strings like this?
thanks
harry
With this set up you could get the instrument to a playable state, but
the extra tension may not be good for the guitar if the strings are
heavy gauge ones and as a beginner it is probably best to stick the more
conventional string arrangement wherever possible otherwise the
unpredictable results may prove off-putting.
Perhaps buy a set of strings online and see if they deliver, Googling
'buy guitar strings' brings up loads of choices.