eM Client single user license: eM Client Pro For Individuals.
What is eM Client?
eM Client is a fully featured email client for Windows and macOS with a modern and easy-to-use interface. The eM client also offers a calendar, tasks, contacts, and chat.
Per-device licensing 1 piece -> 1 device. Standard eM Client licensing.
See also em Client for companies
The eM Client license is perpetual and includes one year of software updates.