Update README.md

Author: HammerMaximilian

README.md

@@ -8,8 +8,36 @@ specification by the *Object Management Group* (OMG) (see [here](https://www.omg
 ## Licensing
 For licensing information, please see the [LICENSE.md](https://github.com/HammerMaximilian/fUML-CPP/blob/master/LICENSE) file.
 
+## Prerequisites
+For detailed information, please see the [User Guide](fUML-C++_User_Guide.pdf) section *1. Prerequisites*.
+### 1. Required Software
+* Compiler: *GCC* (Linux) or *MinGW-w64* (Windows)
+* *Java Runtime Environment*
+* *Eclipse CDT* or any Eclipse IDE with *C++-Development Tools* installed
+### 2. Recommended but optional Software
+* *Eclipse Modeling Tools* for creating UML models
+* *Eclipse Papyrus* for more sophisticated and graphical modeling of UML models
+* *Acceleo* to be able to use the code generator for executable models
+
+## Setup
+For detailed information, please see the [User Guide](fUML-C++_User_Guide.pdf) section *2. Setup*.
+### 1. Setting up Eclipse
+* Import fUML-C++ root project *fUML-CPP* into your workspace
+* Import nested projects *uml* and *fuml*
+### 2. Environment Variables
+* Add binary directories paths of *uml* and *fuml* to your system's environment variables (e.g. add them to PATH in Windows)
+* Depending on whether you want to build debug version, release version or both versions of the dynamic libraries:
+  * `%fUML-C++_root%\uml\Debug` for debug version of uml
+  * `%fUML-C++_root%\uml\Release` for release version of uml
+  * `%fUML-C++_root%\fuml\Debug` for debug version of fuml
+  * `%fUML-C++_root%\fuml\Release` for release version of fuml
+
 ## Building
-TBD
+For detailed information, please see the [User Guide](fUML-C++_User_Guide.pdf) section *3. Build*.
+* Build dynamic libraries for *uml* and *fuml* (**in that order**) using Eclipse C++-Development Tools managed build
+* Depending on your preferences and needs, build debug, release or both
 
 ## Usage
-TBD
+For detailed information, please see the [User Guide](fUML-C++_User_Guide.pdf) section *4. Usage*.
+### 1. Creating executable models using source code
+### 2. Generating executable models from *.uml* models