We Create Portfolio for filter your portfolio project(s) on portfolio page.
For Add Portfolio category or view / edit / quick edit / trash Your portfolio Please go to Portfolio Category under portfolio Features in admin panel.
For add portfolio Category please enter your portfolio category name[2] , Portfolio category slug[3], Parent of [4] , Portfolio category description [5] .
For Publish your category live on website, click on publish [8].
**If you want to add and save only your Portfolio(s), not want to publish , then please use save option, don't use publish option.