If you cannot find email from Microsoft store, the product key is listed in the Product Keys page of your Microsoft Store Account. You can also find them on your Purchase History page. You must sign in using your Microsoft Store account on the web site and then click on the purchase history to see the Product Key.
Re: States that require a boundary survey. Well, in the spirit of the question, MA requires a survey for the creation of any new property lines. Subdivisions that require an approval from a planning board, of course, need plans and current surveys.
Apple's fleet of vehicles collecting street-level mapping data in the United States will begin surveying 13 more U.S. states between July 15 and July 31, including Colorado, Idaho, Indiana, Kentucky, Maryland, Minnesota, Mississippi, New Mexico, Ohio, Oregon, Pennsylvania, South Dakota and Wyoming.