Hi!
Welcome to Sony's Community Site!
We’re sorry to hear that you’re having this issue with the PlayMemories Home software. We tested and it shows that this software ( PMH ) is compatible with 10.11 or later. Please make sure that you’ve downloaded the software from our website at http://support.d-imaging.sony.co.jp/www/disoft/int/download/playmemories-home/mac/en/
If my post answers your question, please mark it as "Accept as Solution"
Regards,
Dave