Carbon Copy Cloner requires macOS. CCC will not run on Windows.
CCC 6 is the latest version available. Users running Catalina (10.15) or Big Sur (11.*) 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 5? CCC 6 is a paid upgrade. CCC 5 Personal and Household licenses purchased prior to February 18, 2021 are eligible for upgrade pricing. When you open CCC 6, it will automatically retrieve your new license or an upgrade coupon that you can use to purchase CCC 6 at 50% off. CCC 5 licenses purchased on or after February 18, 2021 are eligible for a free CCC 6 upgrade license.
CCC 6: Support for macOS 11 Big Sur
CCC 6 is qualified for macOS 11 Big Sur. Please take a moment to review the following resources prior to upgrading to macOS Big Sur:
If you're beta-testing Apple's new macOS 12.0 Monterey, you can help us test CCC 6 against the new OS too. CCC 6.0.2 includes preliminary support for Monterey.
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 5 is compatible with Yosemite (10.10), El Capitan(10.11), Sierra (10.12), High Sierra (10.13), Mojave (10.14), Catalina (10.15) and Big Sur (11.*). Note that while this version of CCC may work on OSes newer than Big Sur, we recommend that Big Sur+ users upgrade to CCC 6. We offer technical support for CCC 5, but we are no longer actively developing it. If you are having trouble downloading CCC from the link above, try this alternate download location.
Download CCC 4.1.24 for use on Mountain Lion (10.8), Mavericks (10.9), Yosemite (10.10), El Capitan(10.11), Sierra (10.12) and High Sierra (10.13). If you are having trouble downloading CCC from the link above, try this alternate download location.
Download CCC 3.5.7 for use on Snow Leopard (10.6) and Lion (10.7). Download CCC 3.4.7 for use on Tiger (10.4) and Leopard (10.5). CCC 3.4.7 and 3.5.7 are provided as-is; we regret that we cannot offer any support for the installation or use of these older versions of CCC.