diff --git a/2bit.py b/2bit.py
old mode 100644
new mode 100755
index dd3b261..88f051e
--- a/2bit.py
+++ b/2bit.py
@@ -1,3 +1,4 @@
+#!/usr/bin/env python3
 bits = 2
 outfile = "out.png"
 per_color = False
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..9b0e176
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,4 @@
+install:
+	cp 2bit.py /usr/local/bin/2bit
+uninstall:
+	rm /usr/local/bin/2bit