Treesize V7.1.5 Jun 2026

TreeSize is a comprehensive disk space manager for Windows. It provides a "bird's eye view" of your drive, showing which files and folders are consuming the most space. Unlike Windows Explorer, which requires clicking through folders one by one, TreeSize displays all folder sizes hierarchically, sorted by size, making it easy to identify space hogs instantly.

For a full C:\ scan, select "All subfolders" but exclude C:\Windows\WinSxS using the Exclude filter (Options > Exclude > Folder). WinSxS is a hardlink nightmare and can distort real usage. treesize v7.1.5

"I see ‘Access Denied’ on C:\ProgramData ." TreeSize is a comprehensive disk space manager for Windows

Visible "Administrator" status in the title bar when the application is run with elevated privileges. Standard Capabilities TreeSize displays all folder sizes hierarchically