compilation.md

 # Compilation #
 
-After downloading or updating you must have the `lmgc90_user` directory somewhere. Inside, you should have the following
+After downloading and uncompressing you must have the `lmgc90_user` directory somewhere. Inside, you should have the following
 subdirectories:
  * *src* : the sources of LMGC90 software
  * *examples* : the user examples working with the sources
  * *manuals* : a list of manuals/documentation for the software in pdf format
  * *docs* : the html documentation generated from the sources
-
-The first step of the *compilation* is only to create an other subdirectory there called `build`.
+ * *build* : (windows only) the precompiled binary of LMGC90 software
 
 Then depending on your operating system follow the directions:
 * [Unix/MacOs] (#compile)
@@ -19,10 +18,12 @@ in the [FAQ](Faq#compile_error)
 ## <a name=compile> Unix and MacOs </a> ##
 
 You must run a set of commands from the terminal to build LMGC90 software for your system.
-Thus open a terminal and go to your `lmgc90_user/build` directory.
+Thus open a terminal and go to your `lmgc90_user` directory.
 
 Run the following commands:
 ```shell
+mkdir build
+cd build
 cmake ..
 make
 ```
@@ -67,18 +68,9 @@ export PATH=${PATH}:mysourcepath/src/addons
 
 ## <a name=precompiled> Windows </a> ##
 
-For Windows operating system, a pre-compiled version is provided. Depending on the version of Anaconda you downloaded
-(from [here](https://git-xen.lmgc.univ-montp2.fr/lmgc90/lmgc90_user/wikis/win_dependencies_install))
-choose the corresponding binaries of LMGC90:
-* [32 bits](https://mycore.core-cloud.net/public.php?service=files&t=9bb2e3561373c64a4855596873aa98bd)
-* [64 bits](https://mycore.core-cloud.net/public.php?service=files&t=9525fc1c270aaddf7e8eae96214f4b49)
-
-Then unzip the downloaded in the `lmgc90_user/build` directory. It should create a `pylmgc90-xxxx-py27` (where `xxxx`
-is to replaced by `i686` or `x86_64` depending on the downloaded version).
-
-Finally start the `Spyder` program. Then click on the upper line `tools` and `PYTHONPATH manager`.
-Then click `Add a path` on lower left corner and select the path to the directory
-previously unzipped ( *.../lmgc90_user/build/pylmgc90-xxxx-py27*).
+Start the `Spyder` program. Then click on the upper line `tools` and `PYTHONPATH manager`.
+Then click `Add a path` on lower left corner and select the path to the `build` directory
+of the previously unzipped package ( *.../lmgc90_user/build*).
 
 Finally, so that the previous step is taken into account in your current environment, simply restart `Spyder`
 program.
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