Here is a quick video about how to create a Dummy Facebook page in order to link your Instagram account to.
First, log into your Personal Facebook account, navigate to the left-side menu, and choose "Pages". Then click the "Create Page" option in the top left corner. When creating a Facebook page, you simply need to fill in the title of the page and choose a category. Once you have filled those two boxes please click the "Next" button until you have completed the page. Then you will be able to navigate to your settings and link your Instagram account to the page: