You will need the latest update 5.7.1, see Lightroom 5.7.1 is now available
Otherwise you will need to download the 8.7.1 DNG convertor and convert to DNG if you don't have LR 5.
You will need the latest update 5.7.1, see Lightroom 5.7.1 is now available
Otherwise you will need to download the 8.7.1 DNG convertor and convert to DNG if you don't have LR 5.