This way, if you copy a corrupt file by mistake, you'll have a slightly older version saved. It's important you make regular backups. If you use your computer every day for super important work, back up your computer every day. If you mostly play games, and only write the occasional letter, once a week should be enough. The answer you get is how often you should make backups.
Installation is easy, just connect the drive and load the software.
We found that by switching our parallel port to ECP in the BIOS set up, we were able to speed up the Zip drive significantly. The drive will then draw its power from notebook so that you don't need to carry an extra power supply. Just load the software, then plug in the drive. With USB you can plug and unplug the drive without turning off your computer, so it's easy to share the device between different computers on the go. The ORB drive comes with its own set of software tools, including a backup utility.