Update README.md

Author: muupan

README.md

@@ -20,18 +20,14 @@ It can also be installed from the source code:
 python setup.py install
 ```
 
-* Windows user
-
-ChainerRL contains `atari_py` as dependencies, and windows users may face error while installing it. 
-This problem is discussed in [OpenAI gym issues](https://github.com/openai/gym/issues/11), 
-and one possible counter measure is to enable "Bash on Ubuntu on Windows" for Windows 10 users.
-
-Refer [Official install guilde](https://msdn.microsoft.com/en-us/commandline/wsl/install_guide) to install "Bash on Ubuntu on Windows". 
+Refer to [Installation](http://chainerrl.readthedocs.io/en/latest/install.html) for more information on installation. 
 
 ## Getting started
 
 You can try [ChainerRL Quickstart Guide](examples/quickstart/quickstart.ipynb) first, or check the [examples](examples) ready for Atari 2600 and Open AI Gym.
 
+For more information, you can refer to [ChainerRL's documentation](http://chainerrl.readthedocs.io/en/latest/index.html).
+
 ## Algorithms
 
 | Algorithm | Discrete Action | Continous Action | Recurrent Model | CPU Async Training |