You might want to save a bit of disk space by removing the programs that are not useful anymore. Or your system might have been infected with a malware and you can venture to manually uninstall this program. Well, if you do want to uninstall a program you can do this by using the Programs and Features option in Windows 7. Please follow the below guidelines on How to Uninstall a Program in Windows 7. (How to uninstall a program in Windows 8)
1. Go to Start
2. Click on Control Panel
3. Click on Programs
4. Choose Programs and Features
5. Select the program that you wan to remove and click on uninstall as seen in the image below
And that's it! You are done.