Prebuilt Windows Toolchain for ESP8266

The following toolchain releases are available:

Binutils GCC SDK GDB Download link
2.25 8.4.0 RTOS SDK 3.4 (IDF); OTA; NodeMCU 8.1 esp8266-gcc8.4.0.exe (317 MB)
2.25 5.2.0 RTOS SDK 3.2 + 3.3 (IDF); OTA; NodeMCU 7.10 esp8266-gcc5.2.0-r18.exe (335 MB)
2.24 5.2.0 NonOS SDK 2.2.0; RTOS SDK 3.1.0 (IDF); OTA; NodeMCU 7.10 esp8266-gcc5.2.0-r17.exe (220 MB)
2.24 5.2.0 NonOS SDK 2.2.0; RTOS SDK 2.0.0; OTA; NodeMCU 7.11 esp8266-gcc5.2.0-r15.exe (44 MB)
2.24 5.2.0 NonOS SDK 2.1.0; RTOS SDK 1.5.0; OTA; NodeMCU 7.11 esp8266-gcc5.2.0-r14.exe (43 MB)
2.24 5.2.0 IoT SDK 2.0.0; RTOS SDK 1.5.0; OTA; NodeMCU 7.11 esp8266-gcc5.2.0-r11.exe (43 MB)
2.24 5.2.0 IoT SDK 2.0.0; RTOS SDK 1.5.0; OTA; NodeMCU 7.11 esp8266-gcc5.2.0-r10.exe (42 MB)

Recommended Tools

For optimal development experience, try VisualGDB - our Visual Studio extension for advanced cross-platform development that supports deep integration with the IDF-based ESP8266 RTOS SDK, automatic FLASH programming, memory analysis and convenient GUI for editing KConfig settings for IDF-based projects: