Here's a useful tip for reclaiming some space on your hard disc if you're using Windows XP

As you use your computer, you will automatically accumulate lots of files which you will never use again - in the recycle bin and in temporary files, which take up valuable space on your hard drive.

In this screencast we show you how to use Disk Cleanup in Windows XP to automatically scan for, and delete these files, freeing up space on you hard disc.