http://www.usa.canon.com/cusa/support/consumer/eos_slr_camera_systems/eos_digital_slr_cameras/eos_70d#DriversAndSoftware

To use this software, your computer has to meet the following system requirements.

1. Supported OSes
Mac OS X 10.8, 10.9

Disks that are formatted with the Unix File System (UFS) are not supported.

2. Supported PCs
Macintoshes with an OS above pre-installed
CPU;
- Intel Processor (Core2 Duo or faster is recommended.)
RAM;
- 2 GB or greater

3. Target Applications
Make sure that at least one of the following applications is installed.
- Digital Photo Professional
- EOS Viewer Utility
- File Viewer Utility
- RAW Image Task

4. Display
- Screen resolution; 1,024 x 768 or greater
- Screen Colors; Approx. 32,000 colors or more

5. Supported Models
EOS 7D Mark II,
EOS 1200D,
EOS M2,
EOS 70D,
EOS 100D,
EOS 700D,
EOS-1D C,
EOS 6D,
EOS M,
EOS 650D,
EOS 60Da,
EOS 5D Mark III,
EOS-1D X,
EOS 600D,
EOS 1100D,
EOS 550D,
EOS-1D Mark IV,
EOS 7D,
EOS 500D,
EOS 5D Mark II,
EOS 50D,
EOS 1000D,
EOS 450D,
EOS-1Ds Mark III,
EOS 40D,
EOS-1D Mark III,
EOS-1Ds,
EOS-1Ds Mark II,
EOS-1D,
EOS-1D Mark II,
EOS-1D Mark II N,
EOS 5D,
EOS 10D,
EOS 20D,
EOS 20Da,
EOS 30D,
EOS DIGITAL 300D,
EOS DIGITAL 350D,
EOS DIGITAL 400D,
EOS D2000,
EOS D6000,
EOS D60,
EOS D30,
PowerShot SX60 HS,
PowerShot G7 X,
PowerShot G1 X Mark II,
PowerShot G16,
PowerShot S120,
PowerShot G15,
PowerShot S110,
PowerShot SX50 HS,
PowerShot G1 X,
PowerShot S100,
PowerShot G12,
PowerShot S95,
PowerShot G9,
PowerShot G11,
PowerShot S90,
PowerShot G10,
PowerShot SX1 IS

NB Je hebt minimaal Mountain Lion nodig voor de nieuwe Canon DPP.