Which methods can be used to modify the margins on a page? use the ruler to slide to the appropriate margin

navigate to the insert tab and select margin

choose "margins" from the page layout tab in the page setup grouping

choose page borders from the page layout tab

choose "margins" from the page layout tab in the page setup grouping

Explanation:

For modify the margins on a page first go to the Microsoft word and then select the Page layout column and there is a name mentioned margin click on that and choose the margin size which you want. After choosing it, it would be appeared as it is as you want.

Therefore in the given case, the correct option is third