Computer hard drives are relatively cheap these days, but although many new computers now come with at least a Terra-byte of storage space, it may not be long before you find yourself wondering what exactly is taking up all that space.

Well using a free program called TreeSize is a good way to start your investigation.

It shows you what folders and files are taking up the most room, giving your a comprehensive directory of everything on your computer, so you’ll then know where to hunt to clear out some space.

You’ll find TreeSize as a free download at http://www.jam-software.com/freeware/