Step Bye Step :-
1) Open the Control Panel
Start - Control Panel
2) Select the "Classic View" and open the "Programs and Features"
3) Click the "View installed updates" for left side menu
4) Then Select Internet Explore 8 (IE8) and click the "Uninstall" button on top
Then it will unstalled IE8 and default IE7 will remain ..................
Happy New Year 2012 All of you My Lovely Friends.........................
Any Question and Suggestion Please Post / Comment me....