Click on 'File' at the menu bar and then click on 'Save As.' Name the document. Then, just below the file name is the dialogue, 'Save as type:'. Choose 'Document Template (*.dot).' You'll notice the directory at the top of the dialogue box changes to 'Templates.' Click 'Save' and you're done.
The next step you should work on is adding the elements. Now its possible to add images, captchas or even videos in a form. So your web form templates are free to be designed. You can do whatever you like with them. You must follow some professional looking web form templates to create a good one. Most surprisingly, creating these templates don't take a lot of time. Just a few clicks and you can get an instant template from word.