Click on the Settings icon (the gear) located to the right of the search bar. This will take you here:
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Under Stores, select Package Type. This will take you here:
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To edit, click on the box of the desired package type:
- To make a package type inactive, click the button to the right of the name that says ON.
- If the button says OFF, click it to make the package type active.
- To add a package type, click the + Add button in the bottom right-hand corner.
- After clicking the + Add button, type in the name of the package type.
When done, click the Update button in the bottom right-hand corner to save changes.