There are two ways to un-install programs that are no longer used. Tthis tutorial will address both ways.
For programs that have their own unistall programs:
Some programs, like downloaded toolbars will have their own un-install software. It is advisable to use that particular programs un-install software if it is available.
To see if the program has specific software, go to the START Menu and select ALL PROGRAMS.
Single click on the deisred program. This will open a drop down box and will list if the program has specific un-install software. If it does, it will have an option for "Un-install program"
Double click on the Unistall tab.
Additional boxes will open asking you to confirm that you do want to un-install the program.
Follow the prompts. Usually, the prompts will be "Accept, Ok, Next, Continue, and Finish".
If the program DOES NOT have program specific un-install software, you will have to go the thr Control Panel.
Click on the START MENU and select the CONTROL PANEL tab. This window will open.

Select the ADD/REMOVE programs tab.

This window shows all the programs that are currently installed on your computer.
Click on the program that you want to delete and a tab for Change/Remove will show on the RIGHT side of the selected program.
Click on the CHANGE/REMOVE tab.

A window will pop up and ask if you are sure you want to delete this program from your PC.
Click YES to begin the un-install.
Follow the prompts of "Yes, Accept, Next, Continue, and Finish."
Your PC may need to be restarted to complete the un-install process.