1. Download & register MakeMKV http://www.makemkv.com/download/
2. Connect Mac to external Bluray drive
I bought this one in a deal, no tax with free storage tower, free disks
& free shipping http://www.digistor.com/External-Drives
3. Load Bluray movie disk into drive
4. Run Make MKV and choose "Backup" with "Decrypt video files" checked
Detail link: http://www.techbang.com/posts/8147-os-x-blu-ray-backup-tool-makemkv
5. You need 50+GB free space to store decrypted video files
It will take around 90 minutes to finish the backup
6. Download Handbrake nighty build
Choose GUI version https://build.handbrake.fr/job/Mac/
7. Load files from MakeMKV saved folder and set Format to MKV, all other use
default settings
8. Press Start and wait for around 2 to 4 hours to get you 1080p MKV file
ready