In Windows 8, you can find programs or apps like Word by going to the Start screen, using the Down Arrow, and then browsing your list of Apps. When you find the app you want, you can right click on it and choose to Pin to Start or Pin to taskbar.
If you would like an icon on your desktop, then right click on the app, and choose Open file location. This opens an explorer window on the desktop. Now right click on your chosen app and choose Send to then choose Desktop (create shortcut). You wlill now have an icon on your desktop for your chosen app.