Update README.md

README.md

 # Artefact
 
-The source code of my Artefact
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+The source code of my Artefact
+
+Get a clone of my master code or download the file
+
+# Install Python
+
+Go to http://python.org/ and download the latest Python installer
+
+# Install Pygame
+
+Windows:
+
+py -m pip install -U pygame --user
+
+py -m pygame.examples.aliens
+
+Mac OS:
+
+python3 -m pip install -U pygame==2.0.0.dev12 --user
+
+Anaconda Mac use pythonw instead of python
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