New Post: No coincident files in sourse code

According to the tutorial of "How to setup, build and run tests on windows"
In the 2nd part of step3 :

Using PowerShell.

1. Open a PowerShell window and navigate to the Cpp-REST-SDK folder
2. Set the appropriate environment variables using the script files (the file may be blocked due to security reasons. You can right-click on the file and select properties to unblock the script)

   setup_ps_env110.ps1 for Visual Studio 2012
   setup_ps_env120.ps1 for Visual Studio 2013

3. Type the following command to build:
   

There are setup_ps_env.ps1 and setup_ps_env100.ps1 instead of setup_ps_env110.ps and setup_ps_env120.ps1 in the sourse code.
How to use the script files? What is the specify command?