Step 1: Go to Administration> Company Settings > Leave Policies&Holidays tab.

Step 2: All the default leave types will be listed in the grid with 'Active' status.

Step 3: To add a leave type, you need to make a leave type inactive and  then click on  "Add New" 

Alternatively you can update the leave type name by clicking on any active leave type in the grid.

Step 4: Upon clicking on "Add New" button, Add Leave popup will be displayed. Alternatively, if you click on leave type name the dit leave type popup will be displayed with the already existing leave type name in the box.

Step 5: Enter the values which are required and then click "Save" button.

Step 6: On clicking on "Save" button, the confirmation message will be displayed and newly created Leave Type will be displayed in the leaves Grid.