diff --git a/README.md b/README.md
index 35902d7..70b36b9 100644
--- a/README.md
+++ b/README.md
@@ -3,11 +3,25 @@ HTTP proxy implementation with PHP socket
 
 ## How to works
 ```
-You <-----> HTTP proxy (Python) <----> Web hosting (PHP) <-----> On the Web
+You <-----> HTTP proxy (Python) <-----> Web hosting (PHP) <-----> On the Web
 ```
 
 HTTP proxy over the web hosting!
 
+## How to use
+
+1. Write a file with filename like `.env`(Linux) or `settings.ini`(Windows). Like this:
+
+```
+[settings]
+PORT=5555
+PROXY_URL=http://example.org
+```
+
+2. Run `python server.py` and set HTTP proxy in your web browser (e.g. Firefox)
+
+3. Enjoy it
+
 ## References
 * https://github.com/anapeksha/python-proxy-server