Boot the PC from a boot floppy, such as those at
run fdisk and delete everything.
Create 2 partitions on the disk (if it's 4Gb or bigger), and make them both active.
Reboot (from the floppy, if your BIOS has no CD-ROM boot support), and install Red Hat. It's the easiest Linux distro after Caldera. I like Caldera, because it gives you a game of Pac-man to play while you're installing.
Both distros took me about 2 hours to install, with no special tweaking or re-configuration.
Personally I think Linux is a good operating system in the process of becoming a great operating system.
The point and click interface of KDE is no harder to use than Windows, but there is less software support (at the moment), in terms of games and hoobyist stuff.
If you don't like KDE, there are many other Window Managers and desktop environments to choose from - all far more customisable than Windows (although all this flexibility does mean that you need to know what you're doing!)
In terms of serious business applications, however, Linux is far richer than Windows or any other flavour of UNIX. You can run any utility, such as sendmail, samba or apache that will run on any other *NIX, and more are being developed all the time.
So there's a lot more to learn. You have to spend time and effort building the system the way you want it.
Or maybe you'd prefer the easy life and have your system the way Bill Gates wants it... ;-)