Pros: Super small 6 MB download size Installs quickly Multiple installation options Keeps cookies that it knows you probably dont want to delete (like webmail logins) Unintrusive context menu addition to the Recycle Bin Long history of regular program updates A backup file is created before any changes to the registry are made Killer feature set Can avoid scanning registry keys and values you tell it to skip over Support for a variety of Windows versions Support for macOS 10.6 to 10. The second is the 'Portable' version, which I recommend, and doesnt require installation at all. The first is referred to as 'Installer' and is a full install of CCleaner, which includes an option to also install Google Chrome and the Google Toolbar for IE.

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. More About CCleaner CCleaner works with 32-bit and 64-bit versions of Windows 10, Windows 8 (including Windows 8.1 & Windows 8.1 Update), Windows 7, Windows Vista, Windows XP, plus older versions of Windows as well. 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.). And two, because its optionally available in a portable format (i.e. For one, Ive never had CCleaner cause a problem in the Windows Registry, which some less-well-done registry repair tools do on a regular basis. Aside from being completely free and working with all versions of Windows, two additional things really stand out. CCleaner - The Best freeware For PC CleanUp and OptimisationĬCleaner tops for list of free registry cleaners for several good reasons.

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