If you are using Windows XP, then its fairly simple. On the Home Screen, click Start->Control Panel. In Control Panel, click on Fonts. In Fonts Window, click on File->Install New Font. Next,...
1. go to control panel ( Start -> Run. type 'control panel')
2. open 'fonts' folder.
3. copy the font into this folder.
4. restart word (or whatever application that is using fonts)