diff --git a/README.md b/README.md
index 94cea84..c9e94c0 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,11 @@
 # Crafting Interpreters
 
 - [Crafting Interpreters](https://craftinginterpreters.com/)
+
+## Installing Lox
+
+```sh
+brew install --HEAD kejadlen/personal/lox
+```
+
+
diff --git a/lox/fib.lox b/lox/fib.lox
new file mode 100644
index 0000000..c62fe30
--- /dev/null
+++ b/lox/fib.lox
@@ -0,0 +1,9 @@
+fun fib(n) {
+  if (n == 2) {
+    return 2;
+  } else {
+    return n * fib(n - 1);
+  }
+}
+
+print fib(5);
diff --git a/lox/hello.lox b/lox/hello.lox
new file mode 100644
index 0000000..6cf5a8e
--- /dev/null
+++ b/lox/hello.lox
@@ -0,0 +1 @@
+print "hello world";