diff --git a/README.rst b/README.rst
index bc91134..d12461a 100644
--- a/README.rst
+++ b/README.rst
@@ -10,3 +10,23 @@ How to install (Debian/Ubuntu)
 
 How to install (Windows)
 ------------------------
+* Install Python 2.7 (http://python.org)
+* Install Cython (Windows binaries on http://cython.org/#download)
+* Install Microsoft Visual Studio 2008 Express
+* Add "C:\Program Files (x86)\Microsoft Visual Studio 9.0" to system PATH
+* Clone repository (using TortoiseGit) to local directory
+* Run c:\python27\python.exe setup.py install (or develop)
+
+How to install (Debian-Ubuntu)
+------------------------------
+* sudo apt-get install python-dev python-setuptools cython
+* git clone https://github.com/trezor/python-trezor.git
+* cd python-trezor
+* python setup.py install (or develop)
+
+Internal note:
+--------------
+* Clone cython-hidapi from github.com/trezor/cython-hidapi
+* Go to cython-hidapi directory
+* Run "git submodule init" in Git Bash (TortoiseGit)
+* Run "git submodule update" in Git Bash (TortoiseGit)