Short Direction :
Admin Panel → ADMINISTRATION → Download Center → Content Type
Route :
/download-center/content-type
In content type you will add, edit and delete content type which is applied to content list.
ADD Content Type
To add content type add Name[1], Description[2] and SAVE[3]
After SAVE[3] the Content Type, You will be able to show the content type list.
Edit Content Type
To edit content type, just click on SELECT → EDIT.
Then change Name[1], Description[2] and UPDATE[3]
Delete Content Type
To delete content type, just click on SELECT → DELETE.
Then just click on DELETE on the confirmation.