Its not enough to put a new font in your directory "C:\Windows\Font". You must also "instal" it. Here's the step by step things to do:
Go to Start, Settings, Control Panel, and find the "Fonts" icon. Click on it and you will see a list of all the fonts in the directory C:\Windows\Fonts.
For each of the new ones you added, scroll down to find it in the list, then click on it to highlight it. Then cursor up to the top menu, click on "File" and then from the dropdown menu select "instal new font".
Once installed, you will see all your new fonts in all your windows programs.
Since you have Corel WordPerfect, you may have the "Bitstream Font Navigator" which came on the disk I have. Check in Start/Programs and find Corel. If its not listed there, then it has not been installed. Or, you could do a "Find" search for it. If its not already there, check your original disk and instal it from there.
This is an excellent program that lets you see in one section ALL the fonts in your directory, and in another all the fonts that have been "INSTALLED". To instal a new one all you have to do is "drag and drop" from one pane to the other. Also, to uninstal you just pull the font out of the "installed" pane. Easy.
If its not on your disk, there are other free font installers out on the web.
One thing to note, however, is that the more fonts you have installed, the slower your machine will be to boot up, so don't overdo it. Many of the fonts available are just the same only under a different name. If you want some fancy fonts for special occasions, here is a useful site that has a whole bunch of free fonts: www.coolarchive.com. The files are zipped and are all small, so quick download.