diff --git a/README.md b/README.md
index 443a625..329a907 100644
--- a/README.md
+++ b/README.md
@@ -2,3 +2,16 @@ cadquery-freecad-module
 =======================
 
 A module-workbench combo that adds a CadQuery editor to FreeCAD
+
+Click the *Download ZIP* button for this project, extract the zip file, and copy the `CadQuery` directory to FreeCAD's `Mod` directory on your system. The module is implemented completely in Python so it should just work the next time you start FreeCAD. Some typical `Mod` directory locations are as follows.
+
+### Linux
+* /usr/lib/freecad/Mod
+* /usr/local/lib/freecad/Mod
+
+### Windows
+* C:\Program Files\FreeCAD 0.14\Mod
+* C:\Program Files (x86)\FreeCAD 0.14\Mod
+
+### Mac
+* See the Linux directories above