To install TreeSize Professional, execute the setup file and follow the instructions. The minimum requirements are Windows XP. The setup program will copy the necessary files to your hard disk and will create a new program group in the Start Menu. TreeSize Professional may be uninstalled using the Software applet in the Control Panel of Windows. The installation key needed for installing the registered version is printed on the disk label and is also available online in our customer's area.
Portable installation
It is possible to install the Professional Edition as portable version, e.g. on an USB Stick. The settings will then be saved in the install location.

