diff --git a/README.md b/README.md
index 9bad79701..3aadf7853 100644
--- a/README.md
+++ b/README.md
@@ -7,3 +7,7 @@ For source code extraction from MSys2 repos procedure (admins only), please revi
 ## Build this library
 
 Each branch in this repo represents its own version and different building procedure. Please review each of them.
+
+> Note: It is required to use Python 3 (3.8 and later, version 3.12 is recommended).
+>
+> For Anaconda users, you can activate your conda environment to build this project. No need to install Python on wide-system.