WinDirStat
v2.9.3Open sourceReleased 11 Oct 2026
Classic open-source disk usage viewer with a colourful treemap. By WinDirStat project
- Windows
By the ToolsBharat teamUpdated 11 Oct 2026How we check
Quick answer
WinDirStat is open source software for Windows from WinDirStat project. Classic open-source disk usage viewer with a colourful treemap. Download it only from windirstat.net. The latest version we track is 2.9.3 (11 Oct 2026). The developer publishes a SHA-256 hash for the installer, shown on our download page. ToolsBharat links straight to the publisher's own download page, with no bundled offers.
- Latest version:
- 2.9.3 (11 Oct 2026)
- Publisher:
- WinDirStat project
- Official site:
- windirstat.net
- Licence:
- Open source — GPL-3.0-or-later
- Requirements:
- Windows (minimum version not stated)
Our verdict
The long-running open-source disk analyser, now actively developed again with 64-bit and ARM64 builds. Scans are slower than WizTree's, but it is free for any use and the project publishes checksums for every file.
Screenshots
Key features
- Treemap and folder tree of disk usage
- File-type statistics by extension
- Duplicate file finder
- Clean-up actions from inside the app
Pros
- Pro: Free for business use
- Pro: SHA-256 checksums published
- Pro: x64, x86 and ARM64 installers
Cons
- Con: Slower scans than MFT-based tools
What's new in 2.9.3
See what changed in 2.9.3 in the official release notes
Version history
Version 2.9.3Latest
11 Oct 2026- SHA-256
- 96c4c4be…77a9af5d(published by the developer)
- Source
- Release notes
Requirements
- OS
- Windows (minimum version not stated)
- Architecture
- 64-bit, 32-bit, ARM64
Licence
- Type
- Open source
- Licence
- GPL-3.0-or-later
- Publisher
- windirstat.net
Where these facts come from
Checked 30 Oct 2026
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Alternatives
WinDirStat
2.9.3 · Not stated