diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index e9cd798..f3f5055 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,5 +1,17 @@
 # CONTRIBUTING
 
+## HOW TO INSTALL
+
+```
+poetry install
+```
+
+## HOW TO RUN TESTS
+
+```
+pytest -m "not benchmark and not merkletreejs"
+```
+
 ## WORKFLOW
 
 1. Create your **proposal/bug** in an _issue_.