How to use Enterprise Libaraly (Jan 2006) for VS 2005

It is some difference from Enterprise Libaraly (Jan.2006) and Enterprise Libaraly(June.2005).
The most difference you can find at Microsoft website. I am not familar with Enterprisement(June.2005).
1.Downlaod the Enterpris libaraly (Jan.2006) here http://download.microsoft.com/download/e/e/f/eefe377d-c4bf-484e-8d01-6ab0b5f0aa96/EnterpriseLibraryJan2005.exe, attention: this exe file need register and install it.
2.open you vs2005 and check weather exsist a file app.config, if not exsist adda new file name app.config. and add this in app.config
<?xml version="1.0" encoding="utf-8"?>
<configuration>
  <configSections>
  </configSections>
  <appSettings>
  </appSettings>
</configuration>
then save it.
3.open the Enterprise Libaraly Configration,open the file app.config in you application catalog.
4.