If you have a Word document that you want to change into a template, then just follow these simple steps:

1. Open up or have the document that you want to save as a template ready
2. Click on the Microsoft Office button
3. Navigate to Save As
4. Click on the Arrow next to Save As and choose Word Template
5. Find the location where you want to save the template
6. Type in a file name
7. Click Save

Have a look at you Microsoft Word Tips page for more useful information