The file is the official Windows distribution of Czkawka (Polish for "hiccup"), a high-performance, open-source storage cleaning tool. Written in the Rust programming language, it is renowned for its extreme speed and safety compared to older tools like FSlint. Core Capabilities
may show a warning because the program isn't widely known yet. Click More info → Run anyway – the app is safe (open source, many users). windows-czkawka-gui.zip