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.
SharePoint Server 2019 is designed to help you achieve new levels of reliability and performance, delivering features and capabilities that simplify administration, protect communications and information, and empower users to work across devices and screens.
To enable Project Server 2019:Install SharePoint Server 2019 using an Enterprise product key.
Create a SharePoint Server 2019 farm.
Launch the SharePoint 2019 Management Shell.
Execute the following command in the SharePoint 2019 Management Shell: Enable-ProjectServerLicense -Key 9****-*****-*****-*****-****4