Windows 7 can be customized with a range of themes and wallpapers we have covered here. Lot of customizations are possible on Windows 7 and one such change is Start Orb. Windows 7 Start Orb Changer is a free tool developed by Deviantart user which can quickly and easily change the Start orb in Windows 7. All you need is to do is to select the bitmap image for Start Orb.
You can use Google to find start orb bitmaps and the zip file also includes a few sample bitmap images. The zip file include two files and both must be there to run the application. It works with both Windows 7 32-bit and 64-bit.