
01 / Tool
WizTree
Find large files and folders quickly so you can understand what is using disk space.
Best for
Full Windows drives
Best for
Large file hunting
Best for
Before uninstalling or deleting files
Step-by-step tutorial
- 1Open WizTree as administrator so it can scan the full drive.
- 2Select the drive you want to inspect.
- 3Start the scan and wait for the largest folders to appear.
- 4Sort by size and inspect the largest folders first.
- 5Open folders carefully and confirm what the files are.
- 6Delete only files you understand, or move personal files to a backup drive.
Mistakes to avoid
- Deleting Windows, Program Files, or app data folders without knowing what they do.
- Cleaning only tiny files while ignoring the largest folders.
- Forgetting to empty the recycle bin after deleting large files.


