That was a serious answer, though it left out a few things.
First, use Programs and Features in Control Panel to uninstall any software you do not want.
Next, use msconfig Startup tab to disable any programs from starting when the computer boots that you don't want or need.
Warning: You can very easily shoot yourself in the foot so be careful what you disable. Here is a general guide for msconfig. How to use msconfig in Windows 7
Note; Check the Don't show this message again
box after reboot.