If you are looking for the "full features" found in a Professional build, the official version includes: Speed up, optimize and clean your PC for free - CCleaner
: An advanced script that specifically blocks known Avast/Piriform telemetry endpoints at the Windows Host file level to ensure no usage data is sent back to the manufacturer. ccleaner professional repack
: Modified files may be poorly optimized or conflict with Windows system files, leading to crashes or "blue screen" errors. No Official Support If you are looking for the "full features"