The download pack features over 500 icons extracted from the Windows 7 executable or .dll files in .ICO format.
They have been arranged into folders to make it easier for you to find the right icon.

All icons (except a small few) include the following types:

256px, 128px, 64px, 48px, 32px, 24px, 16px
32-bit, 256-colors, 16-colors

The included icon categories are:

Accessibility Icons
Action Center Icons
Device Icons
File Type Icons
Networking Icons
Standard Folder Icons
Special Folder Icons
Library Icons
Explorer Icons
Internet Explorer Icons
Control Panel Icons
System Programs Icons
Default Programs Icons
Windows Applications Icons
Windows Media Center Icons
Sidebar Icons
Computer, Recycle Bin, etc. Icons
Games Icons
Shortcut Overlay and Sharing Overlay
Windows Media Player Icons
Default Album Art Icon
Some other icons as well… ; )

Title: Windows 7 RTM Build 7600 Icons
Author: salmanarif
Download: deviantART