BDE Installer for Delphi 10.4 Sydney Full Source
Note: you need 10.4 Sydney already installed to add the BDE to your installation.

IntraWeb supports RAD Studio / Delphi XE2, and in fact is included as a part of RAD Studio / Delphi XE2. If you have RAD Studio / Delphi XE2, you already have IntraWeb XII. RAD Studio 2009, 2010, XE, XE2, XE3, XE4, XE5, XE6, XE7, XE8, 10 Seattle, 10.1 Berlin, Delphi 10.2 Tokyo, Delphi 10.3 Rio and Delphi 10.4 Sydney.