In core there is a module called: Taxonomy display.
The module allows for the custom display of Drupal's default taxonomy term pages. The module is enabled upon installation.
To use the module, go into the "Manage Display" tab of the taxonomy term. Under Default display in the lower tabs, make sure "Taxonomy term page" is checked under "Use custom display settings for the following view modes and click on ". Then click save. Move to the "Taxonomy term page" display and customize the options there.