XSL Report Designer V2.5 is licensed for use on one CPU.
New Licenses come with 90 days maintenance, after which you will need to purchase the Annual Maintenance option to continue to receive technical support and product updates.

Customers of Antenna House Formatter Server Licenses or Developer Licenses who purchase the XSL Report Designer V2.5 are permitted to copy and use the Runtime Engine on all machines running Antenna House Formatter.

Antenna House guarantees that the XSL-FO produced by the XSL Report Designer V2.5 works with XSL Formatter V4.0 or later, Antenna House Formatter V5.0 or later. No such guarantee is provided for other XSL-FO engines.