Read Review: Psiphon for Windows lets you unblock and access blocked websites
"Psiphon is a free and cross-platform portable VPN app that is mainly available for Windows OS, 32-bit or 64-bit machine. Using this tool, you can get nine different servers or locations where you can connect to. By default, however, Psiphon connects to the fastest server after opening it. If you need to access a web page from being in a particular country, you can choose the location manually as well."