What do I need to fill in on the upload form?

You must enter a Title, a short description of your solution (no longer than 40 words), and the name of the local file on your hard disk that you are uploading. You may use the "choose" button to navigate your local file system to find your file. You should ignore the 'related item' section.

After you have entered the file name, you can click on 'save' and your file will be uploaded.