diff --git a/README.md b/README.md
index 26d4f90a..01343f1c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,18 @@
 # rcb4
 
+## Install
+
+```bash
+pip install rcb4
+```
+## Write firmware
+
+Connect st-link and run the following command.
+
+```bash
+rcb4-write-firmware
+```
+
 ## Contributing
 
 ### Automatic Formatting