diff --git a/README.md b/README.md
index b65cc8a..49e5f76 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,10 @@
 # SpiderEvoSim
 spiders
+
+
+how to start up:
+
+* download and install processing 4.x  https://processing.org/
+* download the repository, unzip it
+* open spiderevosim.pde using processing 4.x
+* start the program by clicking on the play button