: Scans installed third-party apps for security vulnerabilities and updates them automatically from within CCleaner.
In 2026, CCleaner remains a leading optimization tool, with the "Professional" tier offering automated maintenance that the free version lacks. The core features available in version 1.18.30 and subsequent releases include: CCleaner Pro 1.18.30
: An automated background process that cleans browser history and junk files as soon as you close a browser or once a specific amount of junk accumulates. Evolution Since 1.18.30 Evolution Since 1
: Version 1.18.30 added full support for macOS Catalina and Big Sur . However, it officially ended support for older OS versions including OS X 10.8 (Mountain Lion) and 10.9 (Mavericks) . Core Professional Features : A simplified "one-click" tool that analyzes your
Improved tab navigation order and updated high-contrast color schemes.
: A simplified "one-click" tool that analyzes your system and recommends quick fixes for speed and security.