Can I get Windows Metro/ Windows 7 System Icons?

Question

Hello,

I am currently developing an app and I am looking for all default Windows System icons that appear on the taskbar and other User Interface elements, such as "Start", "share", "Devices" ,etc... like in this image here: 

Would it be possible to obtain transparent versions of these and other system icons, preferably in .png file format?

I do not have full access to a Windows 7 phone or Windows Metro device, so unfortunately I don't have the means to extract icons from them. Any help or suggestions would be greatly appreciated. 

Thank you very much,

-Yuri