Some of the old software before 2010 may not be able to install/run normally on x64 or Windows 10 systems. Be aware of it before purchasing it.

Microsoft Project Professional 2003 is the Microsoft desktop enterprise project management program that is used with Project Server 2003 and Project Web Access to make up the Microsoft solution for Enterprise Project Management (EPM). Project Professional 2003 offers all the tools found in Project Standard, and when used with Project Server, it also provides powerful enterprise project management capabilities, such as portfolio management and modeling, skill-based resource management, and project collaboration.