compilation.md

@@ -12,6 +12,9 @@ If an error arises during the compilation step please first check if there is no
 in the [FAQ](Faq#compile_error)
 
 You must run a set of commands from the terminal to build LMGC90 software for your system.
+
+## Unix like system (linux, MacOS, WSL) ##
+
 Thus open a terminal and go to your `lmgc90_user_xxx` directory.
 
 Run the following commands:
@@ -63,6 +66,34 @@ fi
 export PATH=${PATH}:mysourcepath/src/addons
 ```
 
+## Windows Anaconda ##
+
+Open an Anaconda prompt  
+ 
+Move to `lmgc90_user_2019` folder with `cd` command
+
+Then to set up an environment that will allow to
+build lmgc90, run the following command:
+```cmd
+conda create -n lmgc90 python=3.7
+conda activate lmgc90
+conda install m2w64-gcc-fortran m2w64-make m2w64-openblas libpython
+conda install swig cmake=3.9.4
+conda install numpy scipy matplotlib vtk
+cd build
+cmake .. -DVENV_PATH=%CONDA_PREFIX% -G "MinGW Makefiles"
+mingw32-make install
+..\finalize_conda_env.bat
+```
+
+Then you can start the _Anaconda Navigator_ application.
+The first thing is to activate the environment to use LMGC90 by
+selection _lmgc90_ in the menu next to _Applications on_ on the
+upper part of the window.
+
+Then start spyder for example to start using python.
+On the use of LMGC90 itself, read the [first steps](./first_steps) section.
+
 ****
 
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