Right-click the installer → Run as Administrator. Even on Windows 10/11, the BDE writes to HKEY_LOCAL_MACHINE and C:\ProgramData\Borland.
The Borland Database Engine (BDE) was officially removed from the core installation of RAD Studio starting with version XE7. For RAD Studio 10.2 Tokyo, 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 bde installer for rad studio delphi c builder 102 tokyo free
Download the Installer: Log in to your Embarcadero Registered Users account. Search for the "BDE Installer for RAD Studio, Delphi, C++Builder 10.2 Tokyo" (Item ID: 30752). Right-click the installer → Run as Administrator
Run the Installer: Execute the downloaded file to install the core BDE engine on your system. For RAD Studio 10
Install Components into the IDE: Installing the engine allows your projects to compile, but to see the components (like TTable or TQuery) in the Tool Palette at design time, you must manually add the design-time package: Open RAD Studio 10.2 Tokyo.
Since Tokyo does not ship with the BDE, follow these steps to install it manually:
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