Only link , license I'm not sure..
From the release note:
Proficy HMI/SCADA - iFIX New Features VERSION 4.5 wrote: Alarm Summary Object Enhancements
Dynamic Language Switching
Improved Column Headings
Auto Alarm Manager Updates
Change Management Integration Enhancements
Coordinate Tracking Tool
Dynamo Objects
Full Color Images in the WorkSpace
Fully Searchable Help
Inline Text Editing in the WorkSpace
Microsoft Windows Vista - You can run iFIX 4.5 in the Microsoft®
Windows® Vista
Multiple Commands Per Click Event
Multiple Monitors
Multiple Picture Instances
Process Database Enhancements
Higher Precision Math for Calculations
Automatic Database Upgrades
Improved Alarm Extension Fields
New Alarm Tracking Capability
OPC Compliance and Certification
OPC Client Browsing from the Process Database
SCADA Server - 200 Simultaneous TCP Connections
Updated Appearance for iFIX User Interfaces
VisiconX Enhancements