1、安装Python

官网下载python（http://www.python.org/ftp/python/2.7.5/python-2.7.5.msi），双击msi文件即可直接安装， 将python路径(D:\Python27;D:\Python27\Scripts;)加入环境变量 
验证是否安装ok

C:\Users\admin>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win
32
Type "help", "copyright", "credits" or "license" for more information.
>>>

2、安装setuptools

官网下载setuptools（http://pypi.python.org/pypi/setuptools），可以下载相关的ez_setup.py文件，然后直接执行该文件即能自动完成安装：

python  ez_setup.py

3、安装Zope.Interface

官网下载Zope.Interface（http://pypi.python.org/pypi/zope.interface/）到官网下载与python版本对应的安装文件msi文件，双击也可以自动完成安装，验证是否安装ok

C:\Users\admin>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win
32
Type "help", "copyright", "credits" or "license" for more information.
>>> import zope.interface
>>>

4、安装Twisted

官网下载Twisted（http://twistedmatrix.com/trac/wiki/Downloads）下载对应版本的msi文件，双击直接安装即可。

5、安装w3lib

官网下载w3lib（http://pypi.python.org/pypi/w3lib） 安装，下载w3lib-1.9.0.tar.gz文件，解压，

#进入插件目录并执行命令安装
>D:\python-plugin\w3lib-1.3>python setup.py install

验证

D:\python-plugin\w3lib-1.3>python
Python 2.7.3 (default, Apr 10 2012, 23:31:26) [MSC v.1500 32 bit (Intel)] on win
32
Type "help", "copyright", "credits" or "license" for more information.
>>> import w3lib
>>>

6、安装libxml2

官网下载libxml2（http://users.skynet.be/sbi/libxml-python/）& 下载对应python版本的exe文件，双击即可

7、安装pyOpenSSL

官网下载pyOpenSSL（https://pypi.python.org/pypi/pyOpenSSL）& 傻瓜安装

8、安装scrapy

官网下载scrapy（https://pypi.python.org/pypi/Scrapy） 安装

#进入scrapy目录并执行安装
>D:\python-plugin\Scrapy-0.16.5>python setup.py install

验证

D:\python-plugin\Scrapy-0.16.5>scrapy
Scrapy 0.16.5 - no active project

Usage:
  scrapy <command> [options] [args]

Available commands:
  fetch         Fetch a URL using the Scrapy downloader
  runspider     Run a self-contained spider (without creating a project)
  settings      Get settings values
  shell         Interactive scraping console
  startproject  Create new project
  version       Print Scrapy version
  view          Open URL in browser, as seen by Scrapy

  [ more ]      More commands available when run from project directory

Use "scrapy <command> -h" to see more info about a command

D:\python-plugin\Scrapy-0.16.5>