diff --git a/README.md b/README.md
index d3f0bd9..a37ff21 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,9 @@ Pour chaque Raspberry pi du cluster, répéter ce process:
 
 ### Flash Debian 12 Headless on SD card with [Balena etcher](https://etcher.balena.io/)
 
+- Download PI-OS image for [Bookworm Lite](https://downloads.raspberrypi.com/raspios_lite_arm64/images/raspios_lite_arm64-2024-11-19/2024-11-19-raspios-bookworm-arm64-lite.img.xz)
+
+- Flash the OS to the SD card
 
 ### Boot the raspberry