Older versions do not receive security patches.
Version 4.x was specifically optimized for the 64-bit builds of Windows 8, ensuring stability on the latest OS of that time. Should You Download CCleaner 4 Today?
Version 4 began support for then-new applications like Adobe Photoshop CS6, Avast Antivirus 8, and Samsung Kies. ccleaner 4 download
This tool allowed users to reclaim disk space by finding and removing identical files based on name, size, or content—a feature that remains a staple of the current CCleaner experience.
While CCleaner is currently on version 7.x, many long-time users still search for to revisit the era when the tool transitioned into a modern system optimizer. First released in March 2013, version 4.0 was a significant milestone that introduced features still foundational to the software today. What Made CCleaner 4 Special? Older versions do not receive security patches
The latest version of CCleaner includes everything found in version 4, plus modern essentials like: View Cleaner's version history and release notes - CCleaner
CCleaner 4 was built for Windows 7 and 8. Using it on Windows 11 may lead to system errors or incomplete cleaning. The Modern Alternative: CCleaner 7.x Version 4 began support for then-new applications like
While you can still find legacy installers on archive sites like OldVersion , there are critical risks to using software from 2013:
Version 4 was more than just a minor update; it overhauled the internal architecture for better performance and updated the visual interface with new icons and graphics. Key features introduced during the 4.x lifecycle included: