rusEFI offers complete software download bundles for multiple supported microcontrollers and boards.

# IMPORTANT NOTE: TunerStudio v3.1.04 or later is REQUIRED! Please double check the version before updating your firmware, or your settings could be lost when updating!

### Common Boards

[microRusEFI 0.4 and newer (STM32F4)](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle_mre_f4.zip)

[Frankenso stm32f407 bundle](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle.zip)

[Proteus 0.3 and newer (STM32F4)](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle_proteus_f4.zip)

### Uncommon Boards

[Frankenso PnP Miata NA6 bundle](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle_frankenso_na6.zip)

[microRusEFI 0.3 and older (STM32F7)](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle_mre_f7.zip)

[Proteus v0.2 and older (STM32F7)](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle_proteus_f7.zip)

# Advanced

[Older Releases](https://github.com/rusefi/rusefi/releases/)

[Nightly builds](https://rusefi.com/build_server/)

# [Quick Start](HOWTO-quick-start)

[Choose Your Own Adventure](Try-It)

[Virtual Simulator](Virtual-simulator)