By default a standard set of payitems are enable/turn on in your account.
Instructions
Main Menu: Configuration > Payitem Configuration
Select Entity > Go > Click Add Payitems (on bottom right)
Go to the appropriate Category > Enable Payitem > Save
(you may rename or change the PF type accordingly)
Note:
Do note disable payitems that are enable as it will impact current payroll calculations as well as previous months' payroll reports.
Renaming payitems that are already in used will impact your payroll reports.