If you have already downloaded System 7.5.3 for free from Apple, you can get the floppy version and CD version that sold in retail. Because of this, no Desktop Folder in this CD, so you need to run using Network Access disk that came from Apple.

Here is the torrent:

→ Torrent link removed. 7.5.3 & 7.5.5 are available legitimately from Apple. ~tl