Backup Facility For Windows XP Home Edition?

[MMMMMM]

Windows XP Home has no built-in facility for backing up EVERYTHING, whereas XP Pro does. With XP Home, you have to separately install the backup tool off the Windows CD and then you can use it. It is like an "extra" program for XP Home.

Problem is, my Dell came with XP Home installed and no physical CD for Windows. My friend's Hewlett-Packard from Best Buy came the same way. So we don't have the backup tool nor do we have the disks to install it from.

How the heck are we supposed to back up our systems? I searched Microsoft site to see if there might be a downloadable version of this tool but couldn't find it (after LOTS of searching--still not sure if it might be hidden somewhere on their massive site or not).

Just to clarify, I'm not talking about System Restore, but rather about backing up the entire system physically in case of a hard disk crash or some other catastrophic event.

Any suggestions/solutions would be sincerely appreciated.