: A tool for defragmenting hard drives to improve file access speeds.

The "Professional Plus" edition is the highest tier of the CCleaner suite and includes full professional versions of four distinct tools:

: Advanced file recovery software for retrieving deleted photos, documents, and other data.

CCleaner Professional Plus 6.09 (and later) is a comprehensive 4-in-1 system utility bundle from Piriform designed to optimize PC performance, enhance privacy, and provide hardware maintenance tools. While highly rated by reviewers from PCMag for its ease of use and effective junk removal, its utility is often debated because modern Windows versions now include native tools that perform many of its core functions for free.

: A detailed system information tool that monitors hardware temperatures and provides deep specs for every component. Key Features CCleaner Professional Plus Review - PCMag Australia

: The core utility for cleaning junk files, managing startup programs, and updating software drivers.