No software can boost the speed of your system, except possibly overclocking software i suppose
If you want your computer to be more responsive , remove all Windows Startups
And if you're really strong on it, backup all your data to external media (not to touch for a while) and uninstall your Antivirus software (or personal firewall) Note: Many users have done this, but they only go to known safe sites, and do not open unknown email attachments