diff --git a/README.md b/README.md
index dbbaf62..1f25d51 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,14 @@
-# tinyfilemanager
+# Tiny PHP File Manager
 Tiny file manager in single php file
+<hr>
+<h3>How to use</h3>
+
+Download ZIP with latest version from master branch.
+
+Copy filemanager.php to your website folder and open it with web browser (e.g. http://yoursite/any_path/filemanager.php).
+
+Default username/password: admin/admin. password has encripted with MD5.
+
+Warning: Please set your own username and password in $auth_users before use.
+
+To enable/disable authentication set $use_auth to true or false.