Raspberry Pi OS (previously called Raspbian) is our official operating system for all models of the Raspberry Pi.

Use Raspberry Pi Imager for an easy way to install Raspberry Pi OS and other operating systems to an SD card ready to use with your Raspberry Pi:

Version: 1.4

Install Raspberry Pi Imager to Raspberry Pi OS by running sudo apt install rpi-imager in a terminal window

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:

  1. Find an SD card that is empty, or does not contain any data you want to keep; it will be completely erased of all data during this process.
  2. Download Raspberry Pi Imager for your operating system from the list near the top of this page.
  3. Click “CHOOSE OS” and select “Misc utility images” then “Pi 4 EEPROM boot recovery”.
  4. Insert an SD card, click “CHOOSE SD CARD”, select the card you have inserted, then click “WRITE”.
  5. Once the SD card is ready, insert it into your Raspberry Pi 4 then connect the Raspberry Pi to power.
  6. Once complete, the green LED will blink rapidly in a steady pattern. Disconnect the device from power. Now you can remove the recovery SD card, insert your usual SD card, and resume using your Raspberry Pi.

Alternatively, you can download the bootloader and create a recovery SD card manually:

  1. Download the bootloader.
  2. Extract it to an empty FAT-formatted SD card and insert it into your Raspberry Pi 4.
  3. Connect the power and wait for the green LED to flash quickly.


Raspberry Pi Desktop (for PC and Mac)

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

Third-party operating system images for Raspberry Pi are also available: