Installation and upgrade notes

For the first time, Delphi could compile (64-bit). Using the new Linux compiler (based on LLVM), developers could write DataSnap or console applications and run them on Ubuntu or Red Hat. R3 refined the runtime library and debugging experience.

Windows

To install Delphi 2017 R3, follow these steps:

If you are still on R3, here is a comparison with current versions (Delphi 12 Athens, 2024–2025):

: While newer versions like 2020.23 or 2021.11 exist, 2017 R3 remains popular for its reliability on older Windows systems (XP, 7, and 10). Navigating Official vs. Unofficial

If you're already using an earlier version of Delphi, upgrading to Delphi 2017 R3 is a straightforward process. Simply download the installer from the Embarcadero website, run it, and follow the prompts to install the new version.

Here's why and what you likely mean: