diff --git a/README.md b/README.md
index 827b88e..fbbc0b3 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,26 @@
 # ptpython
 
-ptpython configuration
\ No newline at end of file
+Installation instruction for ptpython
+
+
+# Install
+
+
+## Create Virtualenv
+virtualenv venv
+
+
+## Install Cutelog
+source venv/bin/activate  
+pip install -r requirements.txt  
+deactivate
+
+
+# Open Cutelog
+venv/bin/ptpython
+
+
+# Upgrade
+source venv/bin/activate  
+pip install -U -r requirements.txt  
+deactivate
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..1dadba4
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+ptpython
\ No newline at end of file