Dev-C++ 5.11 is a popular, lightweight C/C++ IDE that remains widely used for academic and lightweight development despite being an older version. While the original version is no longer updated, it is compatible with 64-bit Windows and typically comes bundled with a 64-bit compiler. Download Options for Dev-C++ 5.11 (64-bit)
| Issue | Solution | | :--- | :--- | | "gcc not found" | Reinstall and check the box for TDM-GCC compiler. | | Compiles 32-bit only | Go to Compiler Options → Settings → Code Generation → Target Architecture → Set to 64-bit. | | Windows Defender blocks install | Click More info → Run anyway (original 5.11 is safe, but unsigned). | dev-c 5.11 download 64 bit
Embarcadero Dev-C++ (Recommended fork)
Language & Terms: Select your preferred language (e.g., English) and click I Agree on the License Agreement. Dev-C++ 5
⚠️ Warning: Avoid third-party download sites offering "Dev-C++ 5.11 64-bit installer.exe". These often contain adware or outdated compilers. Stick to SourceForge or GitHub. How to Enable 64-Bit Compilation in Dev-C++ 5
Now, the most important part: setting up the compiler to produce 64-bit executables. By default, Dev-C++ 5.11 compiles for 32-bit (x86). To target 64-bit (x86_64), follow these steps.