# WinDirStat Portable Help

## know what's on your drive

WinDirStat is a disk usage statistics viewer and cleanup tool for Microsoft Windows Learn more about WinDirStat...

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This software is OSI Certified Open Source Software. OSI Certified is a certification mark of the Open Source Initiative.

## WinDirStat Portable-Specific Issues

For support questions, see the WinDirStat Portable Homepage

## General WinDirStat Issues

For general WinDirStat help, please see the following:

- WinDirStat Homepage