1. Open Paint. (Start --> Programs --> Accessories --> Paint)
2. Then Click on Attributes.
3. Enter 32 in Width box and 32 in column box. (as icon size is 32 x 32 )
4. Draw anything you want.
5. Then click on save. While saving enter any name you want then add the extension .ico and then save the file. (ex: 123.ico)
That's all. Enjoy & Create your Favorite icons.