The Borland Database Engine (BDE) was officially removed from the core installation of RAD Studio starting with version XE7. For , the BDE remains available as a separate, free add-on for registered users through the Embarcadero Registered Users portal. How to Install BDE for RAD Studio 10.2 Tokyo
Once you have located the installer (usually an .exe or .msi file), the process is straightforward, but there are caveats regarding administrative privileges. bde installer for rad studio delphi c builder 102 tokyo free
Borland/Embarcadero BDE redistributable packages: The Borland Database Engine (BDE) was officially removed