Unable to install "Microsoft Azure PowerShell with Microsoft Azure SDK" using Web Platform installer

I want to develop a remote event receiver for our sharepoint online list and i am following the steps mentioned in this link @ Remote Event Receivers Creating and Debugging in SharePoint Online , where inside the link they mentioned to install "Microsoft Azure PowerShell with Microsoft Azure SDK" and they used the Web Platform installer. so inside my windows-7 i opened the Web Platform installer >> search for "Microsoft Azure PowerShell" >> but i did not get  any item named "Microsoft Azure PowerShell with Microsoft Azure SDK", here are the items i got :-

while on the above link, they have added an item named "Microsoft Azure PowerShell with Microsoft Azure SDK", as follow:-

so any idea what is going on? why in my case i can not find any item named "Microsoft Azure PowerShell with Microsoft Azure SDK" inside the Web Platform installer

Thnaks.