You can uninstall a program or software from your computer if you no longer use it or if you want to free up space on your hard disk. Use the Windows 7 Programs and Features to uninstall programs or to change a program's configuration by adding or removing certain options.
The following instruction is how to perform software uninstall on Windows 7:
1) Click
Start -> Control Panel Showing in the picture below

2) In the
Control Panel, click on
Programs & Features

3) Double click the software or program to
Uninstall and click Yes to confirm removal of the software from your computer
4) Repeat step 3 for all the software or programs that you want remove from your computer