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+.. highlight:: sh
+
+.. _unix-toolchain-win-setup:
+
+Unix Toolchain Windows Setup
+============================
+
+This page contains instructions for setting up a Windows computer for
+use with the :ref:`Unix toolchain <unix-toolchain>`.  (Setup
+instructions for :ref:`other operating systems <toolchain-setup>` are
+also available.)
+
+These instructions have been tested successfully on Windows 7 Home
+Premium.
+
+.. contents:: Contents
+   :local:
+
+Collect and Install Tools
+-------------------------
+
+First, you'll need some tools.
+
+* `GitHub for Windows <http://windows.github.com/>`_: this is a GUI
+  for `Git`_, the version control system we use for :ref:`libmaple`.
+
+  If you don't have one, you need to sign up for a (free) `GitHub
+  account <https://github.com/signup/free>`_.
+
+  .. note:: If you use Git from the command line, you can clone
+            libmaple with::
+
+              $ git clone git://github.com/leaflabs/libmaple.git
+
+            If you go this route, you don't need a GitHub account.
+
+* `Python`_: choose the **latest 2.7.x version**. (Python 3 works, but
+  you're on your own.)
+
+* `PySerial`_:  Choose the latest **pyserial-x.y-win32.exe version**.
+
+Fetch ``libmaple`` and Compiler Toolchain
+-----------------------------------------
+
+First, make a Git clone of the :ref:`libmaple` repository with the
+following steps:
+
+1. **Run GitHub for Windows**, and **sign in** using your GitHub
+   account.
+2. **Visit** `libmaple's GitHub page
+   <https://github.com/leaflabs/libmaple/>`_, and **sign in** to
+   GitHub in your web browser as well.
+3. **Click on the "Clone in Windows" button** on libmaple's GitHub
+   page, which looks like this:
+
+     .. figure:: /_static/img/github-clone-in-windows.png
+
+   Your browser may prompt you about what to do when you click the
+   "Clone in Windows" button. Choose the option that launches the
+   GitHub for Windows application.
+
+Next, you'll need to get some cross-compilers and other tools for
+building and uploading your programs:
+
+- `Download a .zip of the latest tools
+  <http://static.leaflabs.com/pub/codesourcery/gcc-arm-none-eabi-latest-win32.zip>`_.
+
+- Extract the .zip, and **move the extracted "arm" folder into the
+  libmaple repository's folder**.
+
+  You can open the libmaple repository folder by right-clicking
+  libmaple in the main GitHub for Windows screen and choosing "open in
+  explorer":
+
+  .. figure:: /_static/img/win7-github-open-in-explorer.png
+     :align: center
+
+Update your PATH
+----------------
+
+You'll next need to configure your system to use the various tools
+you've downloaded and installed. Do that by adding the Python and
+``arm\bin`` directories to your PATH environment variable.
+
+If you've never set environment variables before, this section
+explains what to do.
+
+**Add Python to your PATH**:
+
+  Start by navigating to the folder where Python is installed on your
+  system (this is probably ``C:\Python27``). Right click on the folder
+  address, then choose "Copy address as text":
+
+  .. figure:: /_static/img/win7-copy-python-address.png
+     :align: center
+
+  Next, open your environment variables window: from the Start/Windows
+  menu, right click on Computer, then choose Properties > Advanced
+  System Settings > Environment Variables. Under the "User variables
+  for YOUR_USERNAME", look for PATH.
+
+  - If PATH is missing from the list, click "New...".
+
+    Under "Variable Name", write PATH. Under "Variable value", paste
+    the Python address you just copied, and click OK. The result looks
+    like this:
+
+    .. figure:: /_static/img/win7-python-path.png
+       :align: center
+
+  - If PATH is present in the list, click on it and choose "Edit...".
+
+    Go to the end of the "Variable value:" text box, type a semicolon
+    (the ``;`` character), and then paste the path you just
+    copied. Click OK.
+
+  Test that this worked by running the Git Shell program that came with
+  GitHub for Windows, then running ``python`` at the command prompt. You
+  should get a Python interpreter that looks like this:
+
+  .. figure:: /_static/img/win7-python-prompt.png
+     :align: center
+
+  If that worked, then close the window.
+
+**Add compiler toolchain to your PATH**:
+
+  Do this by adding the ``arm\bin`` directory (earlier instructions
+  had you move ``arm`` to the libmaple repository folder) to your PATH
+  environment variable in the same way you added Python.
+
+  Copy the address of the ``arm\bin`` folder by right-clicking on it
+  after navigating to it:
+
+  .. figure:: /_static/img/win7-copy-arm-bin-address.png
+     :align: center
+
+  The PATH environment variable should exist from when you added
+  Python to it, so make sure you choose "Edit..."  from the
+  environment variables window. Then paste the ``arm\bin`` address you
+  copied after typing a semicolon. The final result will look
+  something like this:
+
+  .. figure:: /_static/img/win7-python-arm-bin-path.png
+     :align: center
+
+  Click OK.
+
+So far, so good?
+----------------
+
+Great! Open a new Git Shell, then type this at the prompt and hit
+return to get to the libmaple directory::
+
+  cd libmaple
+
+.. warning:: You must open a new Git Shell window. If you use a shell
+             that's already open, then the changes to PATH you just
+             made won't be available, and the instructions in the next
+             section won't work.
+
+Now you're ready to move on by :ref:`compiling a sample program
+<toolchain-test>`.