how to remove admin post and category

Hi,

If you installed the demo with content, this imports some dummy categories, posts etc. You can replace all of theme with your own. Create new menus, categories, posts and assign them in the blocks and grids on the homepage.
Please follow this topic for more useful information
– https://forum.tagdiv.com/topic/complete-novice-help/
You can always create a new topic if you have problems or questions, and we will reply as soon as possible.

Thanks