First, make sure you have set up any service you want to group into a package. (See the article on how to set up services here)
Click the “add” drop down on the top right to show the list and select “package”. Name your package and click the check mark to save it.
Your new package will appear as a tab and in the list of services you offer
Fill in the information in the form, including what tabs you want to show when you assign that package to a client and your fee and invoice schedule.
When you are done, hit save.