Fast, Integrated Design Tool for PC and Development for Modern Apps!

Embarcadero RAD Studio

Embarcadero RAD Studio 12.3

  -  274 MB  -  Trial

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Embarcadero RAD Studio 12.3.


For those interested in downloading the most recent release of Embarcadero RAD Studio or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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  • Embarcadero RAD Studio 12.3 Screenshots

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    Embarcadero RAD Studio 12.3 Screenshot 1
  • Embarcadero RAD Studio 12.3 Screenshot 2
  • Embarcadero RAD Studio 12.3 Screenshot 3
  • Embarcadero RAD Studio 12.3 Screenshot 4
  • Embarcadero RAD Studio 12.3 Screenshot 5

What's new in this version:

Smart CodeInsight: AI Powered Coding:
- New open architecture for AI plugins, with support for OpenAI, Gemini, Claude and Ollama. With Smart CodeInsight, users decide if and how to use AI, and can even create additional plugins as long as they offer a public REST API. 12.3 adds a new extension to the UI for enhanced chat experience. Chat window supports Markdown, and Smart CodeInsight configuration dialog offers a list of available models retrieved from the AI engine. (RAD Studio)

64-bit Version of Delphi Windows Compilers:
- RAD Studio 12.3 includes the 64-bit binary version of Delphi Win32 and Win64 compilers for building very large applications as a single executable. Originally available in Enterprise and Architect editions, RAD Studio 12.3 extends 64-bit compiler to Professional edition. (Delphi)

Modernized Clang-Based C++ Compiler and Toolchain:
- Update to the new Clang-based C++ compiler for Win64, including consumption and production of runtime packages, support for all RAD Studio component packages and parallelized CPU-saturating batch compilation for incredible compile performance. The new release offers even better compiler performance and additional quality and code safety improvements. (C++Builder)

New WebStencils Template Library:
- WebStencils, a server-side script-based integration and processing of HTML files to WebBroker and RAD Server technologies for developing modern websites powered by data from RAD Studio server-side application. Also acts as the foundation for use of HTMX. Extended with access to nested objects and sub-tables in nested datasets, and improvements in handling UTF8 characters. (RAD Studio)

64-bit IDE “Initial Release”:
- RAD Studio 12.3 introduces Initial Release of a 64-bit IDE. Initial Release does not yet feature-match 32-bit IDE, and is limited to support only for 64-bit Windows target platforms, but offers near-unlimited memory space for the IDE, for components, designers, and integrated compiler. 64-bit IDE also allows design-time access to databases offering only a 64-bit client driver. New native Delphi debugger experience based on LLDB for 64-bit IDE in development. The Initial Release of the 64-bit IDE is installed side by side with the 32-bit IDE. Developers can use either or both at once.

Target The Latest Platform Versions!:
- Delphi 12.3 offers official support for iOS 18, macOS 14 Sequoia, and Android 15. Delphi 12.3 also supports Ubuntu 24 LTS, and both Delphi and C++ Builder target Windows 11 and Windows Server 2025. Delphi compiles for Android API 35 and macOS M-series processors.

FireDAC and Database Support:
- Improvements to the filtering of SQL query from the TFDTable component and support for migrating from IBX to FireDAC with the Refind utility. Specific support for 64-bit drivers access in the 64-bit IDE. RAD Studio now officially supports Microsoft SQL Server 2022, MongoDB up to version 8.0, MySQL 8.4, and Oracle DRCP. (RAD Studio)

Delphi LSP And CodeInsight:
- Delphi LSP powering CodeInsight expanded with core groundwork and feature requests, and a 64-bit version of the DelphiLSP engine with no memory limits supporting large codebases. Both 32-bit and 64-bit IDE can use the 64-bit version of DelphiLSP engine for Windows targets. 64-bit version now available in all editions - Professional, Enterprise and Architect. (Delphi)

Android API Level 35 and Improved Deployment:
- RAD Studio 12.3 updating to Android API Level 35 for Delphi for Android, a requirement for Google Play Store apps by August 2025. Changes encompass multiple technologies and include new NDK target, support 16 KB page sizes, new provisioning options and permissions. (RAD Studio)

Delphi RTL, VCL, and FireMonkey Quality:
- Improvements to core Delphi RTL and to both VCL and FireMonkey UI libraries, including quality work around VCL styles, HighDPI and other general UI quality improvements in VCL controls, enhancements to the TImageCollection editor, a new tool to generate FireMonkey styles from VCL styles, an upgraded Skia4Delphi version, along with improvements to TMemo, dynamic style loading on non-Windows platforms, and Z-Order Manager on Windows.

BLE and Bluetooth:
- The 12.3 release improves the quality of our Bluetooth and BLE support across all RAD Studio target platforms. The changes include also a new event, called when the BLE transmission configuration changes (RAD Studio)

RAD Server:
- WebStencils integration adding web development to RAD Server's Web Service development capabilities; extension of Swagger Documentation support with custom metadata, API filtering, YAML format, and Delphi multiline string literals. 12.3 improves date and time formatting in JSON responses, includes option to obfuscate values for MasterSecret and Appsecret in emsserver.ini, and adds instance-wide custom variables. (RAD Studio)