Click on Admin Settings from the main menu.

Select the Manage Modules tab.

From the Settings section, select Inventory & Parts.

From the Visible column, toggle which fields you want to include on the Parts form.

A checkmark means on,the field is included.

An "x" means off,the field is hidden.

From the Required column, toggle on which visible fields are mandatory to fill in on the Parts form.

Click Save in the top right corner. Click Discard Changes to cancel and close the screen.