CCleaner v5.34.6207 (12 Sep 2017) System Requirements Windows 10, 8.1, 8, 7, Vista and XP. Including both 32-bit and 64-bit versions. Release notes v5.34.6207 (12 Sep 2017) Browser Cleaning - Firefox: Internet History cleaning rule no longer removes Favicon content General - Minor GUI improvements - Minor bug fixes CCleaner v5.34.6207 (12 Sep 2017)