glass window scratches

Hi can someone advise? I got a new DG unit fitted but managed to get a small crack on inside bottom right, unit is new and looks good apart from crack, its on edge next to frame...is there anything I can do to conceal it make it look better for now as dont want to fork out more doe just yet...

Had a few 30 year old double glazed windows replaced on Friday with new equivalents and today, whilst cleaning them, I've noticed small scratches on the inner panes of some of the new windows. Difficult for me to explain the severity of the scratches in words but one is deep-ish and 1cm long and...