Disclaimer
I cant' find EOS utility download link for 5D IV on canon USA website. My operating system is macOS Catalina and detected as Mac OS X on the prod support page. MacOS 10.15.2 was released by Apple on December 11, 2019. Following operation checks performed with this version at Canon, we have confirmed a USB connection issue with “EOS Utility 3.11.1 for Mac OS X” and 'Picture Style File Registration Tool 1.0.0 for Mac OS X' whereby the functions enabled by connecting a camera and a Mac device via USB cannot be used.
Make sure you download EOS Utility 3.13.10 for macOS, not the Utility 1.0. You may have to pick a different camera to find it (go to the 'Choose a Search Area' search bar at the upper right and type in a camera name). For example, I have a T5, but it only showed up as an option for the T6. With our EOS Webcam Utility Beta software, turn your compatible Canon camera into a high-quality webcam now! A camera compatible with EOS Webcam Utility Beta software (see chart below) A USB cable. to connect the camera to the computer A computer with an internet connection and an operating system capable of running EOS Webcam Utility Beta software.
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Canon Eos Utility Software
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(see bottom for OS X 10.8 Mountain Lion info)
If you’ve had any trouble running Canon EOS Utility on Mac OS X 10.7 Lion, you’ll be happy to know that a new version of EOS Utility was just released, and it’s listed as supporting Mac OS X 10.6.8 and 10.7. To download it, go to the Canon USA Digital SLR Cameras web page, click the picture of your camera, and then click Drivers and Downloads. (Update: Canon changed the page and link, so I updated the link and the Canon page now looks different than the screen shot below.)
Adobe flash player will not download on mac. Although it isn’t necessary to install the Canon software if you use software such as Lightroom, Aperture, or Camera Raw to import and process your Canon DSLR images, you may find Canon EOS Utility easier for a few things such as tethered shooting and camera configuration.
(via robgalbraith.com)
Download Canon Eos Utility For Mac
[Update on October 4, 2012: Changes to USB device handling in OS X 10.7.5 may have broken Canon tethering, according to this blog post: OS X 10.7.5 breaks Canon tethering]
Download Canon Eos Utility Mac Os X64
OS X 10.8 Mountain Lion update
Canon Utility For Mac
Canon now provides a Mac OS X 10.8 choice in their Choose Operating System menu. As I write this update (September 2012), the only downloadable item listed is the latest firmware update. Other categories say new software will be available in October 2012, so you should check it again.
Canon Camera Software For Mac
Download Canon Eos Utility Mac Os X 10.10
Canon Eos Utility Download Mac
[Update on October 2, 2012: Canon EOS Utility version 2.11.4 may crash on Mountain Lion when tethering a Canon 5D MKIII. For details, see this post on another blog: Canon software crashing on OS X 10.8]