Similar images — reduce near-duplicates
Large files — quick space wins
Empty folders & broken shortcuts
Temporary files / cache cleaning
| Concern | Answer | |---------|--------| | Virus warning? | Some antivirus may flag new releases (false positive) because it’s a less common executable. Check the GitHub issues – if others report it, it’s likely safe. Upload to VirusTotal if unsure. | | Spyware/telemetry? | None. Czkawka is fully offline and privacy‑friendly. | | Portable? | Yes – runs without installation, leaves no registry entries. | | Does it work on 32‑bit Windows? | Probably not – most recent builds are 64‑bit (check release notes). | windows-czkawka-gui.zip
Double‑click czkawka_gui.exe.
Windows Defender / SmartScreen 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). Similar images — reduce near-duplicates
The main window opens with six tabs across the top.
If you eventually outgrow the GUI, the same zip contains czkawka_cli.exe. You can run:
czkawka_cli dup -d "C:\MyFolder" -o "results.txt" Large files — quick space wins
Over time, uninstalling games and software leaves behind empty directory skeletons.