diff --git a/Installation.md b/Installation.md
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+++ b/Installation.md
@@ -1 +1,20 @@
-How to install
\ No newline at end of file
+### Installing from archive
+
+* Go to the [the releases page](https://github.com/nextcloud/passman/releases)
+* Download the latest release/archive to your server's **apps/** directory
+* Unpack the app
+* **IMPORTANT**: Make sure the folder name is passman
+
+### Installing from Git
+
+In your terminal go into the **apps/** directory and then run the following command:
+```
+$ git clone https://github.com/nextcloud/passman.git
+```
+
+Now you can activate it in the apps menu. It's called Passman
+
+To update the app go inside you *apps/passman/** directory and type:
+```
+$ git pull --rebase
+```