To install a package first select the package from the list

 

Currently the package client does not automatically select a package based on the version so after selecting the package select the version of the package on the right

 

 

After selecting the package version on the right click Install

 

 

After installation is complete click close

 

At this time you will need to reload the workspace in the DataFlex Studio. The Studio is not able to see the changes made to the workspace configuration until it is reloaded