install window7
http://www.zhujixc.com/win7home/
http://jingyan.baidu.com/album/5bbb5a1b3e301713eba179f1.html
http://www.laomaotao.org/
http://zhidao.baidu.com/link?url=1PM69_EMIvo5XRhG-sdPHJP-YvraLjoXwFsdXQ9Zeh-T54E4M6Ili1K9j7pzdJHaWkj35cSFkhRBLcNCRwDfUq
#good
http://jingyan.baidu.com/article/e5c39bf59a558639d7603321.html
http://jingyan.baidu.com/article/e6c8503c1189d7e54f1a188c.html