What features does the Microsoft Home Use Program (HUP) offer?
The Microsoft Home Use Program (HUP) is a Software Assurance (SA) benefit, providing access to discounted on-premise licenses or online services (Office 365 Home or Personal) for employees of Microsoft customers. With on-premise licenses, the HUP offer is tied to the use of licenses in the customers business environment. For example, a Visio 2019 Professional user can purchase a discounted and corresponding Visio 2019 Professional HUP license for private use. Important: since July 2019 Office Professional Plus licenses cannot by purchased anymore via HUP. However, the Product Terms do not state that this change leads to an expiration of the licenses.
Source: Microsoft Product Terms, July 2019