The mouse pointer appearance of a Windows 7 can be changed using the Appearance and Personalization section. Click the Start button and navigate to Control Panel. Click the Change the theme link under Appearance and Personalization section.
This will display the following Appearance and Personalization window.
Click the Change mouse pointer link available on the left hand side of the window to launch the Mouse Pointers window.
Using the Customize section, you can select the required mouse pointer and click OK button to save the changes.