user_guide_how_to_install.md

+# How to install
+
+## Python version
+HERMESv3_BU is built under Python version 3.X
+
+## Installation
+
+__Requirements__:
+
+Prior to the installation you have to manually install the following libraries and python packages:
+* Git
+* [HDF5](https://www.unidata.ucar.edu/software/netcdf/docs/getting_and_building_netcdf.html#build_parallel) >= 1.10.5 (with parallel enabled)
+* [NetCDF4](https://www.unidata.ucar.edu/software/netcdf/docs/getting_and_building_netcdf.html#build_parallel) >= 4.4.1.1 (with --enable-parallel)
+* [CDO](https://code.mpimet.mpg.de/projects/cdo/wiki) = 1.6.3
+* [UDUNITS2](https://www.unidata.ucar.edu/software/udunits/) > 2.2.19
+* [numpy](http://www.numpy.org/) >= 1.16.0
+* [netCDF4](http://unidata.github.io/netcdf4-python/) >= 1.3.1
+* [cdo](https://code.mpimet.mpg.de/projects/cdo/wiki/Cdo%7Brbpy%7D) >= 1.3.3
+* [pandas](https://pandas.pydata.org/) >= 0.22.0
+* [geopandas](http://geopandas.org/) >= 0.4.0
+* [pyproj](https://pypi.org/project/pyproj/) >= 1.9.5.1
+* [configargparse](https://pypi.org/project/ConfigArgParse/) >= 0.11.0
+* [cf_units](https://pypi.org/project/cf_units/) >= 1.2.0
+* [timezonefinder](https://pypi.org/project/timezonefinder/) >= 4.0.0
+* [mpi4py](https://pypi.org/project/mpi4py/) >= 3.0.0
+* [pytest](https://docs.pytest.org/en/latest/) >= 3.6.1
+* [shapely](https://shapely.readthedocs.io/en/latest/) >= 1.6.4
+* [rasterio](https://github.com/mapbox/rasterio) >= 1.0.21
+
+
+Once installed, you can clone the GitLab repository:
+
+```bash
+git clone https://earth.bsc.es/gitlab/es/hermesv3_bu.git -b production
+```
+
+And then run the setup.py to install HERMESv3_BU.
+```bash
+cd hermesv3_bu
+python setup.py install
+```
+
+[Go to User guide page](user_guide)
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