Perpetual is a one-time purchase of a license that allows end users to use the software for as long as they comply with all terms of the license agreement. Annual maintenance is optional.
Server license is for use on a central system that enables multiple users and client machines to access and run Antenna House software. A server license runs on a server computer and licensed per processor (CPU). Cores are not counted. If the server has multiple processors and all of them are dedicated to run Antenna House software, it will require a server license for the first processor and additional processor licenses for subsequent processors.
