readme

README.md

@@ -1,3 +1,18 @@
 # originfox
 
 Store the download location and referrer in an extended attribute.
+
+## Installation
+
+- Download the host binary from the
+  [releases](https://codeberg.org/icewind/originfox/releases) and place it
+  somewhere permanent.
+- Run `/path/to/downloaded/originfox install-manifest firefox` to install the
+  native messaging manifest.
+- Install the
+  [firefox addon](https://addons.mozilla.org/en-US/firefox/addon/originfox/).
+
+## Supported platforms
+
+This is currently on tested on Linux, if somebody is interested in using it on
+another operating system and wants to help test feel free to open an issue.