Raspbian is our official operating system for all models of the Raspberry Pi.
Use Raspberry Pi Imager for an easy way to install Raspbian and other operating systems to an SD card ready to use with your Raspberry Pi:
Alternatively, use the links below to download OS images which can be manually copied to an SD card.
If your Raspberry Pi 4 will not boot, it is possible that the SPI EEPROM has become corrupted. To check, remove the SD card, disconnect the device from power, then reconnect it. If the green LED does not flash, this indicates that the EEPROM has become corrupted.
Raspberry Pi Imager provides an easy way to fix this problem, by automatically preparing an SD card that will reprogram your Raspberry Pi 4's EEPROM:
Alternatively, you can download the bootloader and create a recovery SD card manually:
Notes:
Debian with Raspberry Pi Desktop is the Foundation's operating system for PC and Mac. You can create a live disc, run it in a virtual machine, or even install it on your computer.
Third-party operating system images for Raspberry Pi are also available: