diff --git a/README.md b/README.md
index 8115547..019130f 100644
--- a/README.md
+++ b/README.md
@@ -13,3 +13,7 @@ pip -r install requirements.txt
 python3 main.py
 
 ```
+
+# How to install <a href="https://github.com/Unknow-per/auto-polybius/tree/main/Library/src">auto_polybius library</a>
+
+First go to <a href="https://github.com/Unknow-per/auto-polybius/tree/main/Library/src">This link</a> and download <a href="https://github.com/Unknow-per/auto-polybius/blob/main/Library/src/auto_polybius.py">auto_polybius.py</a> to yout code and use.
\ No newline at end of file