It’s great to know that you are using Windows 8. It seems that you have removed Windows 8 Mail App from your computer by mistake and would like to reinstall it.
In order to reinstall the Mail App, follow these steps:
a)Click on “Store” to open Windows Store App.
b)Press “Windows Logo” + “C” keys on the keyboard to open the Charms bar.
c)Click on “Search”
d)Type “Mail App” in the search box.
e)Click on the icon which shows “Mail, Calendar, People and Messaging” from the search result.
