diff --git a/README.md b/README.md
index 9ccd8b1..4e9defc 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,9 @@
-# check-opnsense
\ No newline at end of file
+# check-opnsense
+
+## How to install
+
+```
+fetch -o /usr/local/etc/rc.syshook.d/start/99-checkmk_agent https://github.com/bashclub/check-opnsense/raw/main/opnsense_checkmk_agent.py
+chmod +x /usr/local/etc/rc.syshook.d/start/99-checkmk_agent
+/usr/local/etc/rc.syshook.d/start/99-checkmk_agent start
+```