Right-click the CCleaner64.exe file and select "Run as Administrator" to ensure it has the permissions needed to clean system-level junk.

Identifies and fixes broken shortcuts and orphaned registry entries. How to Use the .rar Package

Since the file is a .rar archive, you will need a tool like WinRAR or 7-Zip to extract the contents.

The "Portable" version of CCleaner allows you to run the world’s most popular optimization tool directly from a USB drive or a local folder. Unlike the standard installer, it doesn’t leave entries in your Windows Registry or create folders in your Program Files. Key Features of Version 10.110 (w64)

Simply extract the .rar file and run the executable.