Downloading, Installing and Registering CCC

Upgrading from CCC 4 to CCC 5

If you download CCC 5 via the upgrade interface in CCC 4, CCC 5 will be downloaded to your Mac and placed adjacent to CCC 4. When CCC 5 opens for the first time, you will begin a full-featured, 30-day trial. Please take all of that time to evaluate CCC 5. When you're ready to purchase CCC 5, click the Purchase button in the Trial window that is presented when you open CCC.

Migrating CCC tasks from one system to another

If you wish to migrate your tasks from CCC on one system to CCC on another system, follow these steps:

System Requirements for Carbon Copy Cloner

System Requirements

  • OS X 10.10 Yosemite
  • OS X 10.11 El Capitan
  • macOS 10.12 Sierra
  • macOS 10.13 High Sierra
  • macOS 10.14 Mojave

Older versions of CCC are still available for users running older OSes. Note that these older versions are not actively being developed and support is provided on a case-by-case basis.

How to Register CCC in One Click

Install and Launch Carbon Copy Cloner

Install and Launch Carbon Copy Cloner

For one-click registration to work, you must first install and launch Carbon Copy Cloner. To download CCC, please visit and click on the download button.

How do I download and install Carbon Copy Cloner?

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Visit to download a free 30-day trial of Carbon Copy Cloner

Go to and click on the Download button.

Can I download the old versions of Carbon Copy Cloner?

Older versions of CCC can be downloaded at

We do not sell CCC 4 and CCC 3.5 licenses. To use CCC 4 or 3.5, please purchase a CCC 5 license. CCC 5 licenses can be used to register CCC 3.5 and CCC 4.

How do I use one license of CCC on multiple Macs in my household?

The CCC license allows you to install and use Carbon Copy Cloner on any computer that you own or control for personal, non-commercial use. If you're using CCC commercially or institutionally, the instructions in this article are also applicable, but be sure to check out our Corporate and Education Licensing options so that your use is in compliance with the license.

How to Manually Enter a CCC Registration Code

Launch CCC and Check for Updates

Launch CCC and Check for Updates

Launch CCC on the unregistered computer. Go to Carbon Copy Cloner > Check for Updates... to ensure that you are running the most recent version of CCC.

Upgrading from Carbon Copy Cloner 3.5 to Carbon Copy Cloner 5

Installing Carbon Copy Cloner 5

If you have not yet installed Carbon Copy Cloner 5 and CCC 3.5 is not prompting you to upgrade, you can manually download and install Carbon Copy Cloner 5. For illustrated directions, please see How do I download and install Carbon Copy Cloner?

Oops, that license code is invalid...

If you see this window when trying to launch CCC

There are two common issues that cause this.