The Download.com Installer securely delivers software from Download.com's servers to your computer. During this process, the Download.com Installer may offer other free applications provided by our partners. All offers are optional: You are not required to install any additional applications to receive the software you selected.
From SADAH Software Solutions:
Portable, no installation required. Easy to connect/disconnect. Fast, and Secure. USA VPN Servers. Keep your connection speed. Do anything in the Internet as you are in USA. No charging required, it is 100% free.