diff --git a/README.md b/README.md
index 3ba44a4..0cbce79 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,9 @@
 # lang-interpreter
 
+Build steps:
+
+- clone submodules
+- cd lang-parser/ && tree-sitter generate
+- mkdir build && cd build/ && cmake .. && make
+
+**lang_interpreter** is interpreter