Windows XP: Show folder size in Explorer

The detailed view of Windows Explorer shows the size of the files in a folder. It is not possible to see how much space the directories next to it take up – and thus how much space the folder takes up in total.

Folder-Size shows folder size under Windows XP

The free addon Folder Size 2.4 retrofits the function.

• To install, double-click on the entry in Windows Explorer and confirm the following warning with “Run “. Then follow the instructions of the setup.
• Use “View | Details” to activate the detailed view.
• Right-click on the column headings and activate the option “Folder size” in the context menu. Windows Explorer will now show the desired information in a new column.