diff --git a/README.md b/README.md
index 3f6bd79..c9396df 100644
--- a/README.md
+++ b/README.md
@@ -29,11 +29,11 @@ You can find a pre-compiled binary of the most recent [release version](https://
 
 If you'd rather run it as a standard Python script, you'll need [Python for Windows](http://www.python.org/download/releases) (this was tested with the latest 2.7 release) in order to execute the script.
 
-If you'd rather build it yourself using PyInstaller, install [Python](http://www.python.org/download/releases), [PyInstaller](http://www.pyinstaller.org) and the appropriate version of [pywin32](http://sourceforge.net/projects/pywin32/files), then build a "single file deployment" with PyInstaller:
+If you'd rather build it yourself, you can use the included build script. It requires [Python](http://www.python.org/download/releases) and the matching version of [pywin32](http://sourceforge.net/projects/pywin32/files). It handles downloading PyInstaller for you. Simply run it with no arguments, and it will build a zip file in the current working directory:
+
+`c:\python27\python build_windows_exe.py`
 
-`%SystemRoot%\Python27\python \path\to\pyinstaller\pyinstaller.py -F \path\to\brigadier`
 
-The resultant file, `brigadier.exe`, should be in the `dist` folder created in the working directory.
 
 ## Configuration