diff --git a/README.md b/README.md
index a2a7f44..993ffc9 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,14 @@ provide interesting grib for several EU regions.
 - [ ] Clean data, preserve only surface current, and crop grid to the requested zone.
 - [ ] Transform and format these data to a standardized grib file
 
+## Prerequisites and Installation
+- Runs under linux or windows (with wsl)
+- Requires python3 with the following dependencies
+- - python3-tk
+- - python3-pil
+- - python3-pil.imagetk
+- - copernicusmarine
+
 
 ## License
 For open source projects, say how it is licensed.