Installation.md

+# Installation
+## Linux
+1. Install the HDF5 libraries:
+    ```bash
+    sudo apt-get install libhdf5-dev
+    ```
+	If you intend to use *CAXS*, install the latest version of [OpenMPI](https://www.open-mpi.org/) as well
+(support of `mpif08` is mandatory).
+2. Download the tar.gz archive in the _dist_ directory.
+3. Extract its content anywhere you want executing:
+    ```bash
+    tar xzvf exorem.tar.gz
+    ```
+4. `cd` yourself into the extracted _dist/exorem_ directory, then compile the code executing:
+    ```bash
+    make exorem
+    ```
+5. Test the installation executing:
+    ```bash
+	cd bin
+    ./exorem.exe --version
+    ```
+	Then:
+	```bash
+    ./exorem.exe ../inputs/example.nml
+    ```
+	
+Notes: 
+- you can compile all the programs coming with *Exo-REM* executing:
+	```bash
+	make
+	```
+- you can compile the debug version (slower, but more informative on error) of *Exo-REM* executing:
+	```bash
+	make exorem_debug
+	```
+	or, for all the programs:
+	```bash
+	make debug
+	```
+
+## Windows 10
+1. Install your favourite Linux distribution on your computer following [these instructions](
+https://docs.microsoft.com/en-gb/windows/wsl/install-win10).
+2. Launch the Linux application.
+3. Execute inside the Linux terminal:
+    ```bash
+    apt-get update -y
+    apt-get upgrade -y
+    apt-get install -y build-essential
+    ```
+3. Follow the installation steps for Linux.
+
+Note: to access to a Windows directory from your Linux application, use `/mnt`.
+For example to `cd` into _C:\Users_ execute `cd /mnt/c/Users`.
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