Installation.md

@@ -2,10 +2,6 @@
 1. Install the HDF5 libraries:
     ```bash
     sudo apt-get install libhdf5-dev
-    ```
-    or, if you use a professional CentOS computer with no administrator right, load an HDF5 library compatible with gfortran:
-    ```bash
-    module load hdf5
     ```
 	If you intend to use *CAXS*, install the latest version of [OpenMPI](https://www.open-mpi.org/) as well
 (support of `mpif08` is mandatory).
@@ -18,7 +14,12 @@
     ```bash
     make exorem
     ```
-5. Test the installation executing:
+5. Download the R50 k-tables (_R50.tar.xz_) available [here](https://lesia.obspm.fr/exorem/).
+6. Extract its content in the _data/k_coefficient_tables/_ directory and execute:
+    ```bash
+    tar xJvf R50.tar.xz
+    ```
+7. Test the installation executing:
     ```bash
 	cd bin
     ./exorem.exe --version