How to install LR5 on MAC 1. Close internet connection. 2. Unless you already did while installing CC apps, Run the "Patch.app". 3. Install application. 4. Click on "License" tab and use one of the serials below; 1160-4630-3897-6063-3956-5834 1160-4879-9670-3344-3381-4973 1160-4400-6688-9233-9314-8272 1160-4230-1642-6109-6217-8736 5. done