Hello. This moment I hane two computers. One laptop with Mac and another one tower with Win.. I use LR in Win with success. I need to install it on Mac. My problem is with the photo database. I want to have one common Database. I want when I change, delete or add a photo in database on Mac, then these changes to be done on Win. How can I do ? Is there any trick or software for this ?? Thx a lot.