diff --git a/README.md b/README.md
index 3ee1538..cfc5d1e 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ The following should be installed already before setup.
 ## Install Necessary Source Code and Libraries
 
 ```
-git clone https://github.com/ShotaKameyama/ssa_iot.git`
+git clone https://github.com/ShotaKameyama/ssa_iot.git
 cd ssa_iot
 make install
 ```
@@ -37,10 +37,10 @@ This shell script will take care of the following:
 4. Add Environment Variables to `~/.bash_profile`
 
 
-# Basic Inforamtion
+# Basic Information
 
 This IoT system consists of 4 instances:
-- MQTT braker
+- MQTT broker
 - IoT Controller
 - IoT Camera
 - IoT DoorLock
@@ -48,26 +48,51 @@ This IoT system consists of 4 instances:
 You should start 4 instances parallel.
 
 Instance 1
-
 ```
+brew install librdkafka
+
+make install
+
+git log
+git pull
+
 mosquitto -c config/mosquitto.conf
+
 ```
 
 Instance 2
-
 ```
+cd ssa_iot
+
+source ~/.bash_profile
+
 python3 iot_controller.py
 ```
 
 Instance 3
-
 ```
+cd ssa_iot 
+
+source ~/.bash_profile
+
 python3 iot_client_doorlock.py
 ```
 
 Instance 4
-
 ```
+First run these commands:
+
+pip install pyaml-env
+
+pip install pyzbar
+
+brew install zbar
+
+vim config/config.yml
+
+brew install opencv 
+(This command can take some time to install, please be patient)
+
 python3 iot_client_camera.py
 ```