Paint allows you to rapidly create custom icons using the image and pictures stored on your hard drive.
- Run Paint (Start> All Programs> Accessories> Paint)
- Open the image in Paint
- Click on File > Save As.
- In the popping window, enter a name for the icon and as extension use .ico.
- Under "Type" select "Bitmap 24-bit (*.Bmp, *.Dib) and click on" Save "