Simply run the application; it automatically scans your drive. No setup is needed unless running as administrator for full features.

Yes, connect your external drives or mobile devices, then select them in TreeSize Free to scan and analyze disk space usage.

The treemap visually represents folder sizes with colored blocks; larger blocks indicate more space. Hover or click for details.

Use the filtering options in the column view to sort or filter by size, date, or type for targeted cleanup.

Expand folders in the column view or right-click to see detailed subfolder information and identify space hogs.

Select network drives or cloud share mappings in the scan dialog to include them in your analysis; note some limitations apply.

Yes, it displays NTFS compression rates and allows applying compression to selected directory branches via the context menu.

Yes, the app supports touch interfaces, enabling easy navigation and interaction on touchscreen devices.

Yes, a portable ZIP version is available, which can be run directly from a USB stick without installation.

Installation requires admin privileges, but the application itself can be used without elevated rights after installation.