diff --git a/README.md b/README.md
index afa34c1..bca9d04 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,17 @@
 # cpu-emulator
 tiny x86 cpu emulator
+
+## Usage
+
+```
+$ git clone http://github.com/tuz358/cpu-emulator.git
+$ cd ./cpu-emulator
+$ make
+$ ./cpu-emulator sample/fibonacci.bin
+```
+
+## Author
+[tuz358](https://github.com/tuz358)
+
+## License
+[GPLv3](https://github.com/tuz358/slackbot/blob/master/LICENSE)