Most developers just install the binaries and go. Not Elias. He unzipped the source code like he was cracking an ancient tomb.
: Includes a versatile Data Grid, Planner (scheduling), TreeView, Ribbon, and Kanban board. PDF Library TMS FMX UI Pack 3.6.8.8 Full Source
Embarcadero changes Delphi’s internals with every release. Vendors sometimes discontinue products. By owning the full source, you can recompile the entire UI pack yourself for future Delphi versions, even if TMS stops updating (though they are excellent at updates, owning source is future-proof insurance). Most developers just install the binaries and go