Carbon Copy Cloner requires macOS. CCC will not run on Windows.
Carbon Copy Cloner 5 is the latest version available. Users running Yosemite (10.10), El Capitan (10.11), Sierra (10.12), High Sierra (10.13), Mojave (10.14), or Catalina (10.15) should use this version of CCC. If you are having trouble downloading CCC from the link above, try this alternate download location.
Upgrading from CCC 4? CCC 5 is a paid upgrade. CCC 4 Personal and Household licenses purchased prior to May 22, 2017 are eligible for upgrade pricing. When you open CCC 5, it will automatically retrieve your new license or an upgrade coupon that you can use to purchase CCC 5 at 50% off. CCC 4 licenses purchased on or after May 22, 2017 are eligible for a free CCC 5 upgrade license.
CCC 5: Support for macOS 10.15 Catalina
CCC 5.1.10 (and later) is qualified for macOS 10.15 Catalina. Open CCC and choose "Check for updates..." from the Carbon Copy Cloner to get the update, or click the "Download CCC 5" button above.
Are you beta-testing Apple's new macOS 10.16 Big Sur? Help us test CCC 5 against macOS Big Sur by joining our beta program.
Please choose Ask a Question from CCC's Help menu to let us know if you encounter any problems or have questions about support for new features of that OS.
Carbon Copy Cloner 4.1.24 is compatible with Mountain Lion (10.8), Mavericks (10.9), Yosemite (10.10), El Capitan(10.11), Sierra (10.12) and High Sierra (10.13). Note that while this version of CCC may work on El Capitan and newer OSes, we recommend that El Capitan+ users upgrade to CCC 5. We offer technical support for CCC 4, but we are no longer actively developing it. If you are having trouble downloading CCC from the link above, try this alternate download location.
CCC 4 and Mojave+: CCC 4 is qualified up to macOS High Sierra. CCC 4 license holders are welcome to continue using CCC 4 on later OSes with the understanding that this is an untested and unsupported configuration. CCC 5 is fully qualified on macOS Mojave and offers extensive support for APFS, including support for point-in-time restores via APFS filesystem snapshots.