In Access database design is a complex task that often requires training. Fortunately within Access templates exist to get you started.
Unfortunately, it can be difficult to find free, high-quality resources on database design. On this page, you'll find links to online resources that can help you get started. You can also contact your local library for instructional books and resources.
If you are willing to devote even more time and resources to learning database design, you can also search for Access 2016 certification classes online and in your community. However, as a rule, these classes are not free.