documentation/installation.md

@@ -41,6 +41,21 @@ If you haven’t installed Conda, we recommend following the [Conda installation
 
 # Unix-based Installation
 
+**Important notice : for systems running on an arm CPU, the installation procedure is different !**
+
+## arm CPU installation
+Creating the virtual environment from the environment file did not work during testing. The work-around consists in manually installing the required packages and activating a specific configuration option for the **pyembree** install.
+
+The commands to run in the terminal are listed below (if you did not install mamba, simply replace "mamba" with "conda" in lines 3 and 5 - untested):
+```
+conda create -n pase python=3.10
+conda activate pase
+mamba install numpy pandas vtk trimesh pvlib pyvista seaborn yaml pyyaml rtree windrose
+conda config --env --set subdir osx-64
+mamba install pyembree
+```
+
+## All other
 1. Create the `pase` virtual environment:
    
    ```bash