Install.md

@@ -2,4 +2,9 @@
 1. Check that the compiler is a modern C++ compiler which is OpenMP compliant.
 2. Preinstall the libraries: FFTW (minimal version 3.3.3) and boost (minimal version 1.57).
 3. Optional but *encouraged* to use preinstall:
-    - 
+    - CMake (minimal version 2.6)
+    - CUDA (minimal version 5.5)
+    - MPI: Message Passing Interface.
+
+# Installing with CMake
+