How can I change the default Page Style margins, so that when I start a new document the margins will be 1 inch?

How can I change the default Page Style margins, so that when I start a new document the margins will be 1 inch?

First, create a new template:

1. Open a new text document.
2. Choose Format → Page and select the Page tab.
3. In the dialog box, adjust the margins as desired. Click OK to close the box.
4. Choose File → Templates → Save Under Categories, select My Templates.
5. In the blank space under the words New Template, type a name for your template.
6. Click  OK  to close the dialog box.

Then, set your new template as the default template:

1. Choose File → Templates → Organize. Double-click My Templates
2. Right-click on the new template name that you selected in step 4.
3. Select Set as Default Template.
4. Click  Close  to complete. Close your template file.

In future, when you create a new text document, it will have the margins you chose.