Ultrasurf is a free software that enables users to visit any public web sites in the world safely and freely through a secure encrypted connection. It is a small file (approximately 1.2 MB), and will not install anything on your computer.
Ultrasurf is compatible with Windows, and runs on Internet Explorer or Firefox (click here to download the Firefox add-on). Certain anti-virus programs may prevent Ultrasurf from downloading. If you encounter this problem, you may need to temporarily disable your anti-virus software.