1. Login to your WordPress admin dashboard.
2. beneath the dashboard menu, hover your mouse on Posts and so click on “Categories”.

Enter the subsequent details in “Add New Category”:
Name:- Enter your class name appreciate “Computer”.
Slug:- Enter a slug name or leave this because it is.
Parent:- Leave this to None or do you have to choose a class, can|it’ll} become a sub-category of your hand-picked class and also the browser will show a computer address like example.com/technology/pc
Description: Leave this as it is.

Now click on the “Add New Category” button.