diff --git a/README.md b/README.md
index 37ae30e..ecb9e1e 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,14 @@
 # heropicker
 automatic pick hero in overwatch
+
+## How to use 
+
+- execute `hero.exe`
+- launch OW
+- press <kbd>F3</kbd>
+- it will automatically pick hero for you.
+
+# TODO
+
+- [ ] only support 1920x1080 resolution.
+- [ ] only support pick pig. But will support all heroes soon. And you can also change the cursor to support other hero.