Build.md

-## PC/windows/mingw
+This page explains how to build the code. You must have checked that [git](Git), [a C++ compiler](MinGW) and [cmake](CMake) are correctly installed on your system.
+
+## Windows
  * Clone the repository somewhere on your PC using "git bash"
 ```
 git clone git@gitlab.uliege.be:R.Boman/gmsh-api.git
@@ -26,29 +28,11 @@ mingw32-make -j 4
  * run a program
  ```
 gmsh -2 ..\sandbox\mymesh.geo
-.\bin\myedges.exe ..\sandbox\mymesh.msh
+bin\myedges.exe ..\sandbox\mymesh.msh
  ```
 
 ## CECI clusters / linux
 
-### configuration
-
-If you want to build the examples on NIC4, you must load several modules related to gcc, cmake, git. 
-```
-module load gcc git cmake
-```
-The following variables should also be defined so that CMake finds the correct g++.
-```
-export CXX=g++
-```
-These 2 commands can be added at the end of the `.bashrc` file which is in your hame directory.
-
-### SSH keys
-
-You must create SSH keys for all the git operations with GitLab. It is done as in the Windows case. 
-
-### Build the codes
-
  * clone the repository
 ```
 git clone git@gitlab.uliege.be:R.Boman/gmsh-api.git
@@ -79,5 +63,7 @@ cmake ..
 make -j 4
 ```
  * run a program
+```
 gmsh -2 ../sandbox/mymesh.geo
 ./bin/myedges.exe ../sandbox/mymesh.msh
+```
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